1. Department of Internal Medicine; Division of Rheumatology; Gaziantep University Faculty of Medicine; Gaziantep Turkey
2. Department of Internal Medicine; Division of Rheumatology; Osmangazi University Faculty of Medicine; Eskisehir Turkey
3. Department of Internal Medicine; Division of Rheumatology; Trakya University Faculty of Medicine; Edirne Turkey
4. Department of Internal Medicine; Division of Rheumatology; Uludag University Faculty of Medicine; Bursa Turkey
5. Department of Internal Medicine; Division of Rheumatology; Gulhane Military School of Medicine; Ankara Turkey
6. Department of Internal Medicine; Division of Rheumatology; Gazi University Faculty of Medicine; Ankara Turkey
7. Department of Internal Medicine; Division of Rheumatology; AbantIzzetBaysal University of Medicine; Bolu Turkey
8. Department of Internal Medicine; Division of Rheumatology; Ministry of Health; Ataturk Hospital, Division of Rheumatology; Ankara Turkey
9. Department of Internal Medicine; Division of Rheumatology; Pamukkale University Faculty of Medicine; Ankara Turkey
10. Department of Internal Medicine; Division of Rheumatology; Cumhuriyet University Faculty of Medicine; Denizli Turkey
11. Department of Internal Medicine; Division of Rheumatology; Marmara University Faculty of Medicine; Istanbul Turkey
12. Department of Internal Medicine; Division of Rheumatology; Selcuk University Selcuklu Faculty of Medicine; Konya Turkey
13. Department of Internal Medicine; Division of Rheumatology; Sakarya Research and Training Hospital; Sakarya Turkey
14. Department of Internal Medicine; Division of Rheumatology; Ege University Faculty of Medicine; Izmir Turkey
15. Department of Internal Medicine; Division of Rheumatology; Sutcu Imam University Faculty of Medicine; Kahramanmaras Turkey