Ankylosing Spondylitis

• Department of Rheumatology, Sahlgrenska University Hospital — Gothenburg, Sweden

• Sahlgrenska University Hospital — Gothenburg, Sweden

• Desert Medical Imaging — Indian Wells, California, United States
• Desert Medical Advances — Palm Desert, California, United States
• Arthritis & Rheumatology Associates — Clearwater, Florida, United States
• Millennium Research — Ormond Beach, Florida, United States

• Vitebsk Regional Clinical Hospital — Vitebsk, Belarus
• Chelyabinsk Regional Clinical hospital — Chelyabinsk, Russia
• Research Institute of Rheumotology — Moscow, Russia
• Nizhegorodskaya Regional Clinical Hospital named after N.A. Semashko — N.Novgorod, Russia

• Instituto de Medicina Molecular — Lisbon, Portugal

• Novartis Investigative Site — Paradise Valley, Arizona, United States
• Novartis Investigative Site — Springfield, Illinois, United States
• Novartis Investigative Site — Springfield, Illinois, United States
• Novartis Investigative Site — Oklahoma City, Oklahoma, United States

• 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

Not specified

• Sant Rafael Hospital — Barcelona, Spain
• Clinic I Provincial Hospital — Barcelona, Spain
• Bellvitge Hospital — Barcelona, Spain
• Parc Tauli Hospital — Sabadell, Barcelona, Spain

• Ålesund sykehus — Ålesund, Norway
• Bekkestua legesenter — Bekkestua, Norway
• Dr. Johannessen Kontor — Bergen, Norway
• Dr.Wiigs kontor — Bergen, Norway