^aDepartment of Internal Medicine, Division of Geriatrics, Istanbul Medical School, Istanbul University, Capa, Istanbul

^bDepartment of Internal Medicine, Division of Geriatrics, Hatay Training and Research Hospital, Hatay, Turkey

^cSection of Geriatrics, Department of Internal Medicine and Paediatrics, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium

^dDepartment of Geriatrics, FHU CARTAGE, Centre hospitalier régional et universitaire de Nancy, and INSERM 1116, Université de Lorraine, Nancy, France

Correspondence to Gulistan Bahat, Prof. Dr (for reprint), Istanbul University Istanbul Medical School, Department of Internal Medicine, Division of Geriatrics, Capa, 34390 Istanbul, Turkey. Tel: +90 212 414 20 00 31478; 33204; fax: +90 212 532 42 08; e-mail: [email protected]