Explore the Innovations of Dr. Todd H. Lanman: An Influence in Spinal Neurosurgery
USA Today • Aug 29, 2024

Explore the Innovations of Dr. Todd H. Lanman: An Influence in Spinal Neurosurgery

In the elite circles of neurosurgery, Dr. Todd H. Lanman is universally recognized as the foremost authority,...

Dr. Todd H. Lanman Enhances Spinal Care by Reversing Fusions with Restorative Motion Surgery
BECKER'S SPINE REVIEW • Aug 19, 2024

Dr. Todd H. Lanman Enhances Spinal Care by Reversing Fusions with Restorative Motion Surgery

Modernizing approaches to spinal care, Dr. Todd H. Lanman introduces groundbreaking techniques in Restorative Motion...

Spine’s New Gold Standard
BECKER'S SPINE REVIEW • Aug 19, 2024

Spine’s New Gold Standard

Continued innovation in spine techniques and technology are reshaping what the "gold standard" will be.

Yoshiki to Undergo Critical Third Neck Surgery
Tokyo Hive • Aug 07, 2024

Yoshiki to Undergo Critical Third Neck Surgery

Dr. Todd Lanman, the spinal neurosurgeon performing the surgery, explained that the fusion from YOSHIKI's...

Yoshiki to Undergo Critical Third Neck Surgery
ANIME NEWS NETWORK • Aug 07, 2024

Yoshiki to Undergo Critical Third Neck Surgery

Doctor Todd Lanman, M.D., the spinal neurosurgeon who will operate on YOSHIKI, said, “YOSHIKI has...

How Spine Surgeons Will Look Back at the Industry in 2034
BECKER'S SPINE REVIEW • Apr 15, 2024

How Spine Surgeons Will Look Back at the Industry in 2034

Ten years ago, spine surgeons were expecting outpatient spine surgery and image-guided navigation to become...

Dr. Todd Lanman Brings Innovative Spinal Care and Artificial Disc Replacement to Qatar
Dubai Weekly • Apr 08, 2024

Dr. Todd Lanman Brings Innovative Spinal Care and Artificial Disc Replacement to Qatar

Dr. Todd H. Lanman, the founder of Advanced Disc Replacement Spinal Restoration Center and globally recognized spinal...

Dr. Lanman Featured on Episode of The Family Stallone
The Family Stallone • Mar 05, 2024

Dr. Lanman Featured on Episode of The Family Stallone

In a recent episode of "The Family Stallone" on Paramount+, Dr. Lanman is honored to...

ADR Spine Announces the Inclusion of Four Surgeons to Its National Top Doctors in Arthroplasty Program
BECKER'S SPINE REVIEW • Feb 13, 2024

ADR Spine Announces the Inclusion of Four Surgeons to Its National Top Doctors in Arthroplasty Program

ADR Spine Welcomes Elite Physicians to Top Doctors in Arthroplasty Program

80+ Spine Surgeons Performing Artificial Disc Replacement | 2024
BECKER'S SPINE REVIEW • Feb 13, 2024

80+ Spine Surgeons Performing Artificial Disc Replacement | 2024

Here are more than 80 spine surgeons who offer artificial disc replacement.

25 Power Players in Spine
BECKER'S SPINE REVIEW • Feb 06, 2024

25 Power Players in Spine

Multiple spine surgeon leaders are advancing the industry through their work and innovations. Here are...

These Technologies Will Define the Future of Spine
BECKER'S SPINE REVIEW • Jan 31, 2024

These Technologies Will Define the Future of Spine

When people think about spine surgery in the future they'll likely also think of minimally...

3 Spine Surgeons’ Toughest Financial Decisions
BECKER'S SPINE REVIEW • Jan 24, 2024

3 Spine Surgeons’ Toughest Financial Decisions

The business side of spine surgery poses many crucial financial choices. Here's how three spine...

‘Spine Surgery Seems to Be in a Golden Age’: The Trends Generating the Most Buzz
BECKER'S SPINE REVIEW • Oct 17, 2023

‘Spine Surgery Seems to Be in a Golden Age’: The Trends Generating the Most Buzz

From motion-preserving techniques to advanced navigation technologies, there are multiple emerging trends in spine surgery.

When the Spine Surgeon Becomes the Patient: 4 Insights
BECKER'S SPINE REVIEW • Sep 25, 2023

When the Spine Surgeon Becomes the Patient: 4 Insights

Spine surgeons spend the majority of their days taking care of patients. But what happens...

Introducing the ADR Spine Top Doctors in Arthroplasty Program: Pioneering the Future of Spinal Health
ASSOCIATED PRESS • Sep 20, 2023

Introducing the ADR Spine Top Doctors in Arthroplasty Program: Pioneering the Future of Spinal Health

Dr. Todd H. Lanman is pleased to announce the official launch of the ADR Spine Top...

Dr. Todd Lanman Presents the Latest Developments in Lumbar Facet Replacement and Periprosthetic Osteolysis Management, 7-Year M6-C IDE Results at ISASS23
ACCESSWIRE • Jun 15, 2023

Dr. Todd Lanman Presents the Latest Developments in Lumbar Facet Replacement and Periprosthetic Osteolysis Management, 7-Year M6-C IDE Results at ISASS23

Todd Lanman, MD, of Lanman Spinal Neurosurgery and ADR Spinal Restoration Center, gave several presentations...

40+ Spine Surgeons Performing Artificial Disc Replacement | 2023
BECKER'S SPINE REVIEW • Jun 15, 2023

40+ Spine Surgeons Performing Artificial Disc Replacement | 2023

Here are more than 35 spine surgeons who offer artificial disc replacement.

3 International Orthopedic, Spine Updates in March
Becker's Spine Review • Apr 12, 2023

3 International Orthopedic, Spine Updates in March

From Qatar to Ecuador, three U.S. orthopedic and spine surgeons have taken their practices international...

World-Renowned Neurosurgeon Dr Todd Lanman Successfully Performs Laminectomy Surgery at the View Hospital
THE PENINSULA • Apr 04, 2023

World-Renowned Neurosurgeon Dr Todd Lanman Successfully Performs Laminectomy Surgery at the View Hospital

The View Hospital which is in affiliation with Cedars-Sinai announces the recent visit of the...

Dr. Todd Lanman Begins Breakthrough Low Back Total Joint Replacement Clinical Trial in Beverly Hills with 3Spine, Inc.
ORTHOSPINENEWS • Mar 22, 2023

Dr. Todd Lanman Begins Breakthrough Low Back Total Joint Replacement Clinical Trial in Beverly Hills with 3Spine, Inc.

Todd Lanman, MD and Lanman Spinal Neurosurgery announced completion of the first lumbar total joint...

2 More Sites Launch Clinical Trials for 3SPINE Alternative Spinal Fusion Device
Becker's Spine Review • Mar 22, 2023

2 More Sites Launch Clinical Trials for 3SPINE Alternative Spinal Fusion Device

Advanced Surgery Center of Beverly Hills (Calif.) and Ortho San Antonio have completed the first...

The Unstoppable Dr. Lanman: Spine Surgeon to Spinal Champion
NATIONAL SPINE HEALTH FOUNDATION • Mar 20, 2023

The Unstoppable Dr. Lanman: Spine Surgeon to Spinal Champion

It’s not often that we get to hear about an actual expert spine surgeon giving...

Leading Surgeon at ADR Spinal Restoration Center Announces Presentation on Converting Spinal Fusions to Total Disc Replacement
Global Newswire • Jan 31, 2023

Leading Surgeon at ADR Spinal Restoration Center Announces Presentation on Converting Spinal Fusions to Total Disc Replacement

Dr. Todd Lanman shares his experience removing failed and solid fusions and placing artificial discs...

Dr. Todd Lanman Presents Breakthrough in Total Disc Replacement
BECKER'S SPINE REVIEW • Jan 31, 2023

Dr. Todd Lanman Presents Breakthrough in Total Disc Replacement

Todd Lanman, MD, a neurosurgeon at ADR Spinal Restoration Center in Beverly Hills, Calif., has...

25 Spine Practices To Know In 2023
BECKER'S SPINE REVIEW • Jan 27, 2023

25 Spine Practices To Know In 2023

Here are 25 spine practices to know going into 2023

What 6 Spine Surgeons Are Most Proud of in 2022
BECKER'S SPINE REVIEW • Dec 26, 2022

What 6 Spine Surgeons Are Most Proud of in 2022

From honing minimally invasive surgical skills to establishing an independent spine practice and attracting more...

Spine Robots Need ‘A Giant Leap Forward’: 12 Surgeons’ Wishlist for the Next Generation of Robots
BECKER'S SPINE REVIEW • Dec 07, 2022

Spine Robots Need ‘A Giant Leap Forward’: 12 Surgeons’ Wishlist for the Next Generation of Robots

The spine surgical robotic systems are primarily designed for pedicle screw insertion and guiding the...

4 Spine Surgery Milestones in October
BECKER'S SPINE REVIEW • Nov 23, 2022

4 Spine Surgery Milestones in October

Todd Lanman, MD, and Jason Cuellar, MD, PhD, completed the first three-level artificial disc replacement using the...

Controversy: New ‘Gold’ Standard for 1 & 2 Level Cervical Radiculopathy: Cervical TDR or ACDF
VUMEDI • Oct 20, 2022

Controversy: New ‘Gold’ Standard for 1 & 2 Level Cervical Radiculopathy: Cervical TDR or ACDF

By Dr. Todd Lanman, UCLA David Geffen School of Medicine, Los Angeles, CA. Presented by...

Drs. Todd H. Lanman and Jason M. Cuellar Become First Surgeons in the U.S. to Perform 3-Level ADR With Prodisc® C Vivo
NEWSWIRE • Oct 20, 2022

Drs. Todd H. Lanman and Jason M. Cuellar Become First Surgeons in the U.S. to Perform 3-Level ADR With Prodisc® C Vivo

Todd H. Lanman, MD, and Jason M. Cuellar, MD, Ph.D., restore spinal motion in a...

Drs. Todd H. Lanman and Jason M. Cuellar Become First Surgeons in the U.S. to Perform 3-Level ADR With Prodisc® C Vivo
ORTHOSPINENEWS • Oct 20, 2022

Drs. Todd H. Lanman and Jason M. Cuellar Become First Surgeons in the U.S. to Perform 3-Level ADR With Prodisc® C Vivo

Todd H. Lanman, MD, and Jason M. Cuellar, MD, Ph.D., restore spinal motion in a...

Drs. Todd Lanman, Jason Cuellar Perform 1st 3-Level Disc Replacement With Prodisc Implant
BECKER'S SPINE REVIEW • Oct 20, 2022

Drs. Todd Lanman, Jason Cuellar Perform 1st 3-Level Disc Replacement With Prodisc Implant

Todd Lanman, MD, and Jason Cuellar, MD, PhD, completed the first three-level artificial disc replacement...

Centinel Spine® Receives FDA Approval for 3 Additional prodisc® Cervical Total Disc Replacement Devices
CENTINEL SPINE • Aug 02, 2022

Centinel Spine® Receives FDA Approval for 3 Additional prodisc® Cervical Total Disc Replacement Devices

Centinel Spine®, LLC, a leading global medical device company addressing cervical and lumbar spinal disease...

50 Surgeons Join National Spine Health Foundation Board
BECKER'S SPINE REVIEW • May 24, 2022

50 Surgeons Join National Spine Health Foundation Board

The National Spine Health Foundation formed a 50-physician medical and scientific board. The board will...

Spine Surgeons’ Biggest Threats
BECKER'S SPINE REVIEW • May 24, 2022

Spine Surgeons’ Biggest Threats

The National Spine Health Foundation formed a 50-physician medical and scientific board. The board will...

Text Neck, Pinkie Pain and Other Ways Phones Can Wreck Our Bodies
THE NEW YORK TIMES • May 09, 2022

Text Neck, Pinkie Pain and Other Ways Phones Can Wreck Our Bodies

Health providers say they are seeing more patients than ever with pain and joint ailments...

When Should I See a Spine Surgeon?
NATIONAL SPINE HEALTH FOUNDATION • Apr 11, 2022

When Should I See a Spine Surgeon?

In my experience as a practicing spine surgeon, very often patients come to me for...

Dr. Todd Lanman 1st Surgeon in U.S. to Reverse Lumbar Fusion With Artificial Disc
BECKER'S ASC REVIEW • Mar 28, 2022

Dr. Todd Lanman 1st Surgeon in U.S. to Reverse Lumbar Fusion With Artificial Disc

Todd Lanman, MD, became the first spine surgeon in the U.S. to reverse a patient's...

Robotics in Spine Surgery
SPINE UNIVERSE • Feb 22, 2022

Robotics in Spine Surgery

Spine surgeons were far from the first specialists to explore the use of robotics. Other...

Robotics, Endoscopy and Artificial Discs: What Spine Practices Are Implementing This Year
BECKER'S SPINE REVIEW • Feb 03, 2022

Robotics, Endoscopy and Artificial Discs: What Spine Practices Are Implementing This Year

Endoscopic spine surgery, enhanced recovery after surgery protocols and robotic platforms are among the procedures...

A State-By-State Breakdown of 19 New Spine Centers in 2021
BECKER'S SPINE REVIEW • Feb 03, 2022

A State-By-State Breakdown of 19 New Spine Centers in 2021

Becker's Spine Review reported on 19 spine practices that opened in 2021. Here is a state-by-state...

A Breakdown of 3 High-Profile Cervical Discs
BECKER'S SPINE REVIEW • Dec 15, 2021

A Breakdown of 3 High-Profile Cervical Discs

Artificial disc replacement technology has made significant strides in 2021. Here's a breakdown of three...

50 Spine Practices To Know
BECKER'S SPINE REVIEW • Dec 15, 2021

50 Spine Practices To Know

A center that's performed more than 25,000 minimally invasive procedures, another where 95 percent of...

How 6 Spine Surgeons Are Upping Their Patient Referral Game
BECKER'S SPINE REVIEW • Nov 17, 2021

How 6 Spine Surgeons Are Upping Their Patient Referral Game

A growing number of patients are using online platforms such as Facebook, LinkedIn and Youtube...

ADR innovator Todd Lanman becomes first in US to perform reversal of prior 3-level cervical fusion
ORTHOPAEDIC PRODUCT NEWS • Sep 30, 2021

ADR innovator Todd Lanman becomes first in US to perform reversal of prior 3-level cervical fusion

Artificial disc replacement innovator Dr Todd H Lanman, founder of the national ADR Advanced Disc...

ADR innovator Todd Lanman becomes first in US to perform reversal of prior 3-level cervical fusion
SPINAL SURGERY NEWS • Sep 16, 2021

ADR innovator Todd Lanman becomes first in US to perform reversal of prior 3-level cervical fusion

Artificial disc replacement innovator Dr Todd H Lanman, founder of the national ADR Advanced Disc...

Spine surgeon leader to know: Dr. Jason Cuellar
BECKER'S SPINE REVIEW • Sep 02, 2021

Spine surgeon leader to know: Dr. Jason Cuellar

Jason Cuellar, MD, PhD, is a spine surgeon practicing in Beverly Hills, Calif., and Los...

4 spine, orthopedic surgeons expanding to Florida
BECKER'S SPINE REVIEW • Aug 10, 2021

4 spine, orthopedic surgeons expanding to Florida

In the past year, Becker's has reported on four prominent surgeons with practices in California, Colorado and...

Leading Spine Surgeon Dr. Jason Cuéllar Expands Into Miami-Dade with Advanced Disc Replacement Spinal Restoration Center
WFMZ TV • Aug 10, 2021

Leading Spine Surgeon Dr. Jason Cuéllar Expands Into Miami-Dade with Advanced Disc Replacement Spinal Restoration Center

Floridians seeking to resolve their back and neck pain can now look to the superior...

California spine surgeons expand practice to Florida
BECKER'S SPINE REVIEW • Aug 10, 2021

California spine surgeons expand practice to Florida

Jason Cuellar, MD is bringing his spine practice to Florida, along with his partner Todd...

Dr. Todd Lanman implants first M6-C disc in 2-level study
BECKER'S SPINE REVIEW • Aug 05, 2021

Dr. Todd Lanman implants first M6-C disc in 2-level study

Orthofix's M6-C artificial disc is being evaluated for contiguous two-level symptomatic cervical radiculopathy, according to...

‘Half of what we do today will be history’: How spine surgery will look in 10 years
BECKER'S SPINE REVIEW • Aug 05, 2021

‘Half of what we do today will be history’: How spine surgery will look in 10 years

In the next decade, spine surgeons will move further toward a multidisciplinary approach to care,...

How device companies fared in Q2, a new M6-C study & more: 4 device company notes
BECKER'S SPINE REVIEW • Aug 05, 2021

How device companies fared in Q2, a new M6-C study & more: 4 device company notes

The latest second quarter results from six spine and orthopedic device companies and three more...

California spine practice using electromagnetic therapy to enhance patient recovery
BECKER'S SPINE REVIEW • Jun 18, 2021

California spine practice using electromagnetic therapy to enhance patient recovery

Beverly Hills, Calif.-based Advanced Disc Replacement Spinal Restoration Center is reportedly the first in the state to...

California spine surgeon’s new venture eyes Florida, Texas expansion
BECKER'S SPINE REVIEW • Jun 09, 2021

California spine surgeon’s new venture eyes Florida, Texas expansion

Todd Lanman, MD, has launched the Advanced Disc Replacement Spinal Restoration Center in Los Angeles, a new...

U.S. Spine Surgeon Dr. Todd Lanman Launches Advanced Disc Replacement Spinal Restoration Center, Pioneering Leading-Edge Motion Preservation Solutions
OrthoSpineNews • Jun 08, 2021

U.S. Spine Surgeon Dr. Todd Lanman Launches Advanced Disc Replacement Spinal Restoration Center, Pioneering Leading-Edge Motion Preservation Solutions

For three decades, Dr. Lanman has been Hollywood’s go-to spinal neurosurgeon, the world’s foremost motion...

ADR Spinal Restoration Center Opens Up 2-Level prodisc® and 1-Level Synergy Disc® Clinical Trials in Los Angeles
WFMZ TV • May 24, 2021

ADR Spinal Restoration Center Opens Up 2-Level prodisc® and 1-Level Synergy Disc® Clinical Trials in Los Angeles

Those suffering from painful degenerative or herniated discs in their necks might find relief in...

The most exciting technology in spine from 11 surgeons
Becker's Spine Review • Apr 28, 2021

The most exciting technology in spine from 11 surgeons

11 spine surgeons discuss what technologies have the potential to make the biggest impact on...

How to build a strong multidisciplinary spine team: 7 surgeon insights
Becker's Spine Review • Mar 12, 2021

How to build a strong multidisciplinary spine team: 7 surgeon insights

Seven surgeons offer advice on how to develop a successful multidisciplinary spine team.

3 spine surgeons honored in February: Drs. Todd Lanman, Robert Bray Jr. and more
Becker's Spine Review • Mar 08, 2021

3 spine surgeons honored in February: Drs. Todd Lanman, Robert Bray Jr. and more

Here are three spine surgeons who received honors in February:

The future of augmented reality from 7 surgeons: Drs. Frank Phillips, John Hicks & more
Becker's Spine Review • Mar 04, 2021

The future of augmented reality from 7 surgeons: Drs. Frank Phillips, John Hicks & more

Interest in augmented reality and virtual reality has grown significantly over the past decade, stemming...

Motion preservation will become the standard, but won’t eliminate fusion: 8 surgeons weigh in
Becker's Spine Review • Feb 25, 2021

Motion preservation will become the standard, but won’t eliminate fusion: 8 surgeons weigh in

Eight surgeons discuss the future of motion preservation in the cervical and lumbar spine and...

Los Angeles Magazine recognizes Dr. Todd Lanman as ‘top doctor’ — 5 things to know
Becker's Spine Review • Feb 22, 2021

Los Angeles Magazine recognizes Dr. Todd Lanman as ‘top doctor’ — 5 things to know

Todd Lanman, MD, founder of Lanman Spinal Neurosurgery in Beverly Hills, Calif., has been named...

First-Ever Study on Restoration of Spinal Motion by Drs Todd Lanman and Jason Cuéllar Shows Conversion of Fusion to Artificial Disc Replacement Successful
Cision • Aug 28, 2020

First-Ever Study on Restoration of Spinal Motion by Drs Todd Lanman and Jason Cuéllar Shows Conversion of Fusion to Artificial Disc Replacement Successful

For the first-time, a new study has been published in the International Journal of Spine...

Lanman Spinal Neurosurgery Opens Up 2-Level prodisc Cervical SK and Vivo Clinical Trial in Los Angeles
CISION • Feb 24, 2020

Lanman Spinal Neurosurgery Opens Up 2-Level prodisc Cervical SK and Vivo Clinical Trial in Los Angeles

Those suffering from advanced neck and arm pain may find themselves to be candidates for...

New Study Led by Leading Spine Surgeons Lanman, Cuéllar and Rasouli Shows Cervical Artificial Disc Replacement Safe in Outpatient Setting
CISION • Nov 22, 2019

New Study Led by Leading Spine Surgeons Lanman, Cuéllar and Rasouli Shows Cervical Artificial Disc Replacement Safe in Outpatient Setting

Objective: Evaluate the safety profile of single- and multilevel cervical artificial disc replacement (ADR) performed...

Release of Journal of Neurosurgery 10-Year Study by Dr. Todd Lanman Shows Statistical Superiority of Two-Level Cervical Disc Replacement with Prestige LP Device
CISION • Oct 23, 2019

Release of Journal of Neurosurgery 10-Year Study by Dr. Todd Lanman Shows Statistical Superiority of Two-Level Cervical Disc Replacement with Prestige LP Device

Objective: The authors assessed the 10-year clinical safety and effectiveness of cervical disc arthroplasty (CDA)...

Los Angeles Spinal Neurosurgeon Dr. Todd Lanman Becomes First in U.S. To Perform Landmark 3-Level M6 Artificial Disc Procedure
CISION • Aug 10, 2019

Los Angeles Spinal Neurosurgeon Dr. Todd Lanman Becomes First in U.S. To Perform Landmark 3-Level M6 Artificial Disc Procedure

American spinal neurosurgeon Dr. Todd H. Lanman (http://www.spine.md) has once again made history, successfully performing...

Beverly Hills Spine Surgeons Lanman and Cuéllar Make History Leading First-Ever Two-Level Artificial Disc Replacement Procedure With Anatomical M6 Device in U.S.
CISION • Jun 06, 2019

Beverly Hills Spine Surgeons Lanman and Cuéllar Make History Leading First-Ever Two-Level Artificial Disc Replacement Procedure With Anatomical M6 Device in U.S.

U.S. spinal neurosurgeon Dr. Todd H. Lanman (http://www.spine.md) successfully performed the first-ever artificial disc replacement...

Spinal News International: Restorative Motion Surgery in the Cervical Spine – Reversing Fusions and Placing Artificial Discs
CISION • Sep 05, 2018

Spinal News International: Restorative Motion Surgery in the Cervical Spine – Reversing Fusions and Placing Artificial Discs

Todd H Lanman is a spine surgeon known for his work on the advancement of...

Visionary Spine Surgeon Dr. Todd Lanman Helps Support Spine Care Innovation in Atlanta with Revolutionary Testing
CISION • Jan 14, 2018

Visionary Spine Surgeon Dr. Todd Lanman Helps Support Spine Care Innovation in Atlanta with Revolutionary Testing

Dr. Todd Lanman, one of the world’s most high profile specialists in spine health and...

World Renowned Spine Surgeon Dr. Todd Lanman to Present Findings at Congress of Neurological Surgeons’ Annual 2017 Meeting in Boston
CISION • Sep 15, 2017

World Renowned Spine Surgeon Dr. Todd Lanman to Present Findings at Congress of Neurological Surgeons’ Annual 2017 Meeting in Boston

Dr. Todd H. Lanman, founder of Beverly Hills’ Lanman Spinal Neurosurgery, and one of the...

7-Year Outcome Finds Two-Level Cervical Disc Replacement Statistically Superior Option in Treating Disc Disease in New Journal of Neurosurgery Paper by Dr. Todd Lanman
CISION • Apr 12, 2017

7-Year Outcome Finds Two-Level Cervical Disc Replacement Statistically Superior Option in Treating Disc Disease in New Journal of Neurosurgery Paper by Dr. Todd Lanman

Following its published study last month documenting ‘favorable outcomes’ at 24 months (two years) post-op...

Journal of Neurosurgery: Spine Publishes Gornet and Lanman’s Peer-Reviewed Study Documenting Outcome of Two-Level Cervical Disc Replacement with Prestige LP at 24 Months
CISION • Apr 07, 2017

Journal of Neurosurgery: Spine Publishes Gornet and Lanman’s Peer-Reviewed Study Documenting Outcome of Two-Level Cervical Disc Replacement with Prestige LP at 24 Months

A new study has been published in the peer-reviewed Journal of Neurosurgery: Spine documenting the...

IN THE MEDIA