1. Division of Rheumatology, Department of Internal Medicine Chiang Mai University Chiang Mai Thailand
2. Rheumatology Division, Department of Internal Medicine Padjadjaran University Bandung Indonesia
3. Department of Rheumatology Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Science, National Clinical Research Center for Dermatologic and Immunologic Diseases, Ministry of Science & Technology, Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education Beijing China
4. Department of Rheumatology, Endocrinology and Nephrology Graduate School of Medicine Hokkaido University Sapporo Japan
5. Section of Rheumatology University of Santo Tomas Hospital Manila Philippines
6. The First Department of Internal Medicine, School of Medicine University of Occupational and Environmental Health, Japan Kitakyushu Japan
7. Division of Rheumatology, Department of Medicine Tuen Mun Hospital Hong Kong SAR China