Psoriatic Arthritis

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

Not specified

• Sørlandet Sykehus HF — Arendal, Norway
• Ålesund Sjukehus, Helse Møre og Romsdal HF — Ålesund, Norway
• Haukeland Universitetssjukehus Hf — Bergen, Norway
• Haukeland Universitetssykehus — Bergen, Norway

• Rheumatology Associates P.C. — Birmingham, Alabama, United States
• Rheumatology Associates of North Alabama, PC — Huntsville, Alabama, United States
• Arizona Arthritis & Rheumatology Associates, P.C. — Glendale, Arizona, United States
• Medvin Clinical Research — Covina, California, United States

• University of Rochester — Rochester, New York, United States

Not specified

• Rheumatology Associates, PC — Birmingham, Alabama, United States
• Rheumatology Associates of North Alabama, PC — Huntsville, Alabama, United States
• Arizona Arthritis & Rheumatology Associates, P.C. — Glendale, Arizona, United States
• Medvin Clinical Research — Covina, California, United States

Not specified

Not specified

• UC San Diego — La Jolla, California, United States
• Stanford University — Palo Alto, California, United States
• Sarasota Arthritis Research Center — Sarasota, Florida, United States
• Northwestern University — Chicago, Illinois, United States