Intervertebral Disc Degeneration

• Beijing Jishuitan Hospital — Beijing, Beijing Municipality, China
• Peking University Third Hospital — Beijing, Beijing Municipality, China
• The First Affiliated Hospital of Chongqing Medical University — Chongqing, Chongqing Municipality, China
• Sun Yat-sen Memorial Hospital, Sun Yat-sen University — Guangzhou, Guangdong, China

• ClinTech Center for Spine Health — Johnstown, Colorado, United States

• Kocaeli University Hospital — Kocaeli, Turkey (Türkiye)

• Anupam Hospital — Rudrapur, Uttarakhand, India
• Mother Cell Spinal Injury and Stem Cell Research, Anupam Hospital — Rudrapur, Uttarakhand, India

Not specified

• Seton Spine and Scoliosis Center — Austin, Texas, United States

• Tuğba — Ankara, Turkey (Türkiye)

• Florida Orthopaedic Associates — DeLand, Florida, United States
• Spine Institute of Louisiana — Shreveport, Louisiana, United States
• Thibodaux Regional Medical Center — Thibodaux, Louisiana, United States
• Georgetown University Hospital — Clinton, Maryland, United States

• University Hospital for Neurosurgery Innsbruck — Innsbruck, Tyrol, Austria
• Charité Universitätsmedizin — Berlin, Germany
• DRK Kliniken Berlin Westend — Berlin, Germany
• University Hospital Duesseldorf — Düsseldorf, Germany

• Keck Medicine of USC — Los Angeles, California, United States
• University of California San Diego — San Diego, California, United States
• Spine Institute of San Diego — San Diego, California, United States
• Florida Medical Pain Management — St. Petersburg, Florida, United States