[1] Istanbul Univ, Istanbul Med Sch, Div Geriatr, Dept Internal Med, Istanbul, Turkiye
[2] Liv Hosp Vadi Istanbul, Internal Med & Geriatr Clin, Istanbul, Turkiye
[3] Tekirdag Dr Ismail Fehmi Cumalioglu City Hosp, Tekirdag, Turkiye
[4] Sancaktepe Prof Dr Feriha Oz Hosp, Istanbul, Turkiye
[5] Ludwig Maximilians Univ Munchen, Internal Med & Geriatr, Munich, Germany
[6] Jagiellonian Univ, Krakow, Poland
[7] Univ Lorraine, CHRU Nancy, Pole Malad Vieillissement Gerontol & Soins Pallia, Nancy, France
[8] Jagiellonian Univ, Krakow, Poland
[9] St Louis Univ, Div Geriatr Med, Sch Med, St Louis, MO USA