Ayfer Durak1, Umut Safer2,3. 1. Department of Geriatric Medicine, Sancaktepe Prof. Dr. İlhan Varank Training and Research Hospital, Health Sciences University, Istanbul, Turkey. 2. Department of Geriatric Medicine, Sancaktepe Prof. Dr. İlhan Varank Training and Research Hospital, Health Sciences University, Istanbul, Turkey. umut.safer@sbu.edu.tr. 3. Department of Internal Medicine, Hamidiye Medical School, Health Sciences University, Istanbul, Turkey. umut.safer@sbu.edu.tr.