1. Department of Medical Oncology, Erciyes University, Faculty of Medicine, Kayseri, Turkey
2. Department of Internal Medicine, Erciyes University, Faculty of Medicine, Kayseri, Turkey
3. Department of Rheumatology, Erciyes University, Faculty of Medicine, Kayseri, Turkey
4. Department of Internal Medicine, Selcuk University, Faculty of Medicine, Konya, Turkey
5. Department of Rheumatology, Ondokuz Mayıs University, Faculty of Medicine, Samsun, Turkey