[1] Erciyes Univ, Dept Geriatr, Fac Med, Kayseri, Turkey
[2] Gulhane Mil Med Acad, Dept Internal Med, Ankara, Turkey
[3] Ataturk Univ, Dept Internal Med, Fac Med, Erzurum, Turkey
[4] Ege Univ, Dept Geriatr, Fac Med, Izmir, Turkey
[5] Marmara Univ, Dept Geriatr, Fac Med, Istanbul, Turkey
[6] Cerrahpasa Univ, Dept Geriatr, Fac Med, Istanbul, Turkey
[7] Hacettepe Univ, Dept Geriatr, Fac Med, Ankara, Turkey
[8] Gaziantep Univ, Dept Geriatr, Fac Med, Gaziantep, Turkey
[9] Maltepe Univ, Dept Internal Med, Fac Med, Istanbul, Turkey
[10] Ankara Univ, Dept Geriatr, Fac Med, Ankara, Turkey
[11] Istanbul Univ, Dept Geriatr, Fac Med, Istanbul, Turkey
[12] Kayseri City Hosp, Dept Geriatr, TR-38080 Kayseri, Turkey