1. Department of Geriatrics and Neurology, Diakonie Hospital Jung Stilling Siegen, Germany Wichernstrasse 40, 57074 Siegen, Germany
2. Departement of Neurology, Justus Liebig University, 35392 Giessen, Germany
3. Department of Urology, Diakonie Hospital Jung Stilling Siegen, 35392 Siegen, Germany
4. Department of Cardiology, Diakonie Hospital Jung Stilling Siegen, 35392 Siegen, Germany
5. Epidemiology, Philipps University Marburg, 35037 Marburg, Germany