Arthritis

• The first affiliated hospital of bengbu medical college — Bengbu, Anhui, China
• The first affiliated hospital of anhui medical university — Hefei, Anhui, China
• Yijishan Hospital of Wannan Medical College — Wuhu, Anhui, China

Not specified

• Universitair Ziekenhuis Gent — Ghent, Gent, Belgium

• Campbell River Hospital — Campbell River, British Columbia, Canada
• Nanaimo Regional General Hospital — Nanaimo, British Columbia, Canada
• Victoria Island Hand Clinic — Victoria, British Columbia, Canada

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

• Section of Nursing and Health Science, University of Oslo — Oslo, Norway

• UF&Shands Orthopaedics and Sports Medicine Institute — Gainesville, Florida, United States

• Orthopaedic Center, Aarhus University Hospital — Aarhus, Jylland, Denmark

• Hospital das Clínicas da Universidade Estadual de Campinas — Campinas, São Paulo, Brazil

• Bergman Clinic Naarden — Naarden, North Holland, Netherlands
• Medicort Sports & Orthopedic Care — Naarden, North Holland, Netherlands