1. Division of Rheumatology; Department of Internal Medicine; Faculty of Medicine; Chiang Mai University; Chiang Mai Thailand
2. Division of Rheumatology; Department of Medicine; Faculty of Medicine; Siriraj Hospital, Mahidol University; Bangkok Thailand
3. Division of Rheumatology; Department of Internal Medicine; Faculty of Medicine; Prince of Songkla University; Songkla Thailand
4. Division of Allergy Immunology and Rheumatology; Department of Internal Medicine; Faculty of Medicine; Ramathibodi Hospital, Mahidol University; Bangkok Thailand
5. Department of Internal Medicine; Faculty of Medicine; Vajira Hospital, Navamindradhiraj University; Bangkok Thailand
6. Division of Rheumatology; Department of Internal Medicine; Faculty of Medicine; Thammasat University; Pathum Thani Thailand
7. Division of Allergy Immunology and Rheumatology; Department of Medicine, Faculty of Medicine; Khon Kaen University; Khon Kaen Thailand
8. Division of Rheumatology, Department of Internal Medicine; Phramongkutklao Hospital and College of Medicine; Bangkok Thailand
9. Division of Rheumatology, Department of Internal Medicine; Pha Pok Klao Hospital; Chanthaburi Thailand
10. Vibhavadi Hospital; Bangkok Thailand
11. Division of Rheumatology, Department of Medicine; Faculty of Medicine; Chulalongkorn University; Bangkok Thailand
12. Rheumatic Disease Unit; Department of Medicine; Phramongkutklao Hospital; Bangkok Thailand
13. Rheumatology Unit; Department of Medicine; Rajavithi Hospital, Ministry of Public Health; Bangkok Thailand