1. Institute of Forensic Medicine; University of Freiburg; Albertstr. 9 79104 Freiburg Germany
2. Hirslanden Klinik St. Anna; St. Annastr. 32 CH 6006 Luzern Switzerland
3. Division of Geriatrics, Department of General Internal Medicine, Inselspital, Bern University Hospital; University of Bern; 3010 Bern Switzerland