1. Department of Cardiology and Keçiören Education and Training Hospital, University of Health Sciences, Ankara, Turkey.
2. Department of Cardiology, Urfa Education and Training Hospital, University of Health Sciences, Urfa, Turkey.
3. Department of Internal Medicine, Onkoloji Education and Training Hospital, University of Health Sciences, Ankara, Turkey.
4. Department of Ophthalmology, Keçiören Education and Training Hospital, University of Health Sciences, Ankara, Turkey.