Ankylosing Spondylitis

• ULB Hopital Erasme, Service de Rheumatology — Brussels, Belgium
• Eurohospital — Plovdiv, Bulgaria
• UMHAT Kaspela EOOD — Plovdiv, Bulgaria
• Medical Center "Teodora", EOOD — Rousse, Bulgaria

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

• 7 — Los Angeles, California, United States
• 1 — Chapel Hill, North Carolina, United States
• 3 — Durham, North Carolina, United States
• 500 — Maastricht, Netherlands

• North-Western State Medical University n.a. I.I.Mechnikov — Saint Petersburg, Russia

Not specified

• Investigational Site Number 840006 — Birmingham, Alabama, United States
• Investigational Site Number 840033 — Anaheim, California, United States
• Investigational Site Number 840027 — Los Angeles, California, United States
• Investigational Site Number 840007 — San Diego, California, United States

• Boston University School of Medicine — Boston, Massachusetts, United States

• Zurich, Switzerland

Not specified

• Novartis Investigative Site — Boise, Idaho, United States
• Novartis Investigative Site — Cedar Rapids, Iowa, United States
• Novartis Investigative Site — Portland, Oregon, United States
• Novartis Investigative Site — Duncansville, Pennsylvania, United States