Lumbar Disc Disease

• Orthopaedics NorthEast — Fort Wayne, Indiana, United States
• Pinehurst Surgical Clinic — Pinehurst, North Carolina, United States
• Newcastle Private Hospital — Newcastle, New South Wales, Australia

• Hospital General Universitario de Valencia — Valencia, Spain

• University of Pittsburgh — Pittsburgh, Pennsylvania, United States

• Alabama Clinical Therapeutics, LLC — Birmingham, Alabama, United States
• Source Healthcare — Santa Monica, California, United States
• Boomerang Healthcare — Walnut Creek, California, United States
• Denver Back Pain Specialists, LLC — Greenwood Village, Colorado, United States

• Chung-Ang Gwangmyeong Hospital — Seoul, South Korea

• Hospital for Special Surgery — New York, United States

• Poliklinika Terasa — Košice, Košice Region, Slovakia

• Başkent Universty — Ankara, Turkey (Türkiye)

Not specified

• Mersin University Faculty of Medicine, Pain Clinic — Mersin, Turkey (Türkiye)