[1] Univ Hosp Zurich, Ctr Aging & Mobil, Zurich, Switzerland
[2] City Hosp Waid, Zurich, Switzerland
[3] Waid City Hosp, Univ Clin Acute Geriatr Care, Zurich, Switzerland
[4] Univ Hosp Zurich, Dept Geriatr & Aging Res, Zurich, Switzerland
[5] Univ Zurich, Zurich, Switzerland
[6] Univ Hosp Zurich, Dept Psychiat & Psychotherapy, Zurich, Switzerland
[7] Jung Diagnost GmbH, Hamburg, Germany