Spondylarthropathies

• 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 — Anniston, Alabama, United States
• Novartis Investigative Site — Mesa, Arizona, United States
• Novartis Investigative Site — Paradise Valley, Arizona, United States
• Novartis Investigative Site — Upland, California, United States

• Third Affiliated Hospital of Sun Yat-sen University — Guangzhou, Guangdong, China

Not specified

• University Hospital of Northen Norway — Tromsø, Norway

• 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

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

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