1. Department of Internal Medicine; Eskisehir Military Hospital; Eskisehir Turkey
2. Department of Internal Medicine; Etimesgut Military Hospital; Ankara Turkey
3. Department of Internal Medicine, Faculty of Medicine; Cumhuriyet University; Sivas Turkey
4. Department of Cardiology; Gulhane Medical Faculty; Ankara Turkey
5. Department of Nephrology, Faculty of Medicine; Cumhuriyet University; Sivas Turkey
6. Department of Rheumatology, Faculty of Medicine; Cumhuriyet University; Sivas Turkey