Arthritis

• Admiraal de Ruyter Hospital — Goes, Netherlands
• Maasstad Hospital — Rotterdam, Netherlands
• Erasmus Medical Center — Rotterdam, Netherlands
• Sint Franciscus Gasthuis — Rotterdam, Netherlands

• Miami, Florida, United States
• Duncansville, Pennsylvania, United States

• Farsoe Hospital, Northern Orthopaedic Division — Farsø, Denmark

Not specified

• Buenos Aires, Argentina
• Goiânia, Goiás, Brazil
• Curtiba, Paraná, Brazil
• Porto Alegre, Rio Grande do Sul, Brazil

• Northern Orthopaedic Division, Klinik Farsoe and Aarhus University Hospital — Farsø, Northern Jutland, Denmark

• University of Pennsylvania — Philadelphia, Pennsylvania, United States

• CHRU de Brest — Brest, France
• CHRU de Nantes — Nantes, France
• CHR d'Orléans — Orléans, France
• CHRU de Poitiers — Poitiers, France

• Beijing Friendship Hospital, Affiliated to Capital Medical University — Beijing, China
• Institute of Chinese Medical Sciences, University of Macau — Taipa, China

• VA Pittsburgh Healthcare System University Drive Division, Pittsburgh, PA — Pittsburgh, Arizona, United States