1. Erciyes University Faculty of Medicine, Department of Geriatrics, Kayseri, Turkey
2. University of Health Sciences Turkey, Gülhane Training and Research Hospital, Clinic of Internal Medicine, Ankara, Turkey
3. Atatürk University Faculty of Medicine, Department of Internal Medicine, Erzurum, Turkey
4. Ege University Faculty of Medicine, Department of Geriatrics, İzmir, Turkey
5. Marmara University Faculty of Medicine, Department of Geriatrics, İstanbul, Turkey
6. İstanbul University-Cerrahpaşa, Cerrahpaşa Faculty of Medicine, Department of Geriatrics, İstanbul, Turkey
7. Hacettepe University Faculty of Medicine, Department of Geriatrics, Ankara, Turkey
8. Gaziantep University Faculty of Medicine, Department of Geriatrics, Gaziantep, Turkey
9. Maltepe University Faculty of Medicine, Department of Internal Medicine, İstanbul, Turkey
10. Ankara University Faculty of Medicine, Department of Geriatrics, Ankara, Turkey
11. İstanbul University, İstanbul Faculty of Medicine, Department of Geriatrics, İstanbul, Turkey