Spondylarthropathies

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

• University of California, San Diego — La Jolla, California, United States
• Stanford University — Stanford, California, United States
• University of Rochester — Rochester, New York, United States
• Swedish Rheumatology Research — Seattle, Washington, United States

• Site Reference ID/Investigator# 24054 — Hefei, AN, China
• Site Reference ID/Investigator# 25522 — Beijing, China
• Site Reference ID/Investigator# 24055 — Beijing, China
• Site Reference ID/Investigator# 24052 — Beijing, China

• Bucheon-si, South Korea
• Daegu, South Korea
• Daejeon, South Korea
• Gwangju, South Korea

• Copenhagen University Hospital, Glostrup — Glostrup Municipality, Copenhagen, Denmark

Not specified

• Site Reference ID/Investigator # 32372 — Amstetten, Austria
• Site Reference ID/Investigator # 32368 — Bludenz, Austria
• Site Reference ID/Investigator # 32367 — Gloggnitz, Austria
• Site Ref # / Investigator 37123 — Graz, Austria

• Site Ref # / Investigator 74 — Calgary, Alberta, Canada
• Site Ref # / Investigator 70 — Edmonton, Alberta, Canada
• Site Ref # / Investigator 79 — Vancouver, British Columbia, Canada
• Site Ref # / Investigator 64 — Winnipeg, Manitoba, Canada

Not specified

Not specified