Spinal Diseases

• Anhui Province Hospital — Hefei, Anhui, China
• Beijing Jishuitan Hospital — Beijing, Beijing Municipality, China
• Henan Provincial People's Hospital — Zhengzhou, Henan, China
• Jiangxi Provincial People's Hospital — Nanchang, Jiangxi, China

• Greenwich Hospital — Greenwich, Connecticut, United States
• Massachusetts General Hospital — Boston, Massachusetts, United States
• Lahey Clinic — Burlington, Massachusetts, United States
• Cleveland Clinic Spine Institute — Cleveland, Ohio, United States

Not specified

• The First Affiliated Hospital of Bengbu Medical College — Bengbu, Anhui, China
• The General Hospital of People's Liberation Army — Beijing, Beijing Municipality, China
• Zhongshan Hospital Fudan University — Shanghai, Shanghai Municipality, China
• Shanghai Guanghua Hospital — Shanghai, Shanghai Municipality, China

• Armed Forces Yangju Hospital — Yangju, Gyounggido, South Korea

• Hospital Clínic Universitari Sant Joan d'Alacant — Alicante, Alacant, Spain
• Hospital General de Llerena-Zafra — Llerena, Badajoz, Spain
• Hospital Son Llàtzer — Palma de Mallorca, Balearic Islands, Spain
• Hospital Clínic de Barcelona — Barcelona, Spain

• Novartis Investigative Site — Berlin, Germany
• Novartis Investigative Site — Hamburg, Germany
• Novartis Investigative Site — Hamburg, Germany
• Novartis Investigative Site — Herne, Germany

Not specified

• São Paulo Hospital — São Paulo, Brazil

Not specified