University of Bern, Bern, Switzerland
Institute of Primary Health Care (BIHAM), University of Bern, Bern, Switzerland
Pulmonology clinic, Horgen, Horgen, Switzerland
Children's hospital Lucerne, Lucerne, Switzerland
University Children's Hospital Zurich, Zurich, Switzerland
Universitätsklinik für Radio-Onkologie, Bern, Switzerland
University Hospital of Psychiatry, Bern, Switzerland
Klinik für Alterspsychiatrie und Psychotherapie UPD Bern, Bern, Switzerland
University Hospital of Psychiatry, Bern, Switzerland
Universität Zürich, Zürich, Switzerland
University of Bern, Bern, Switzerland
University Hospital of Old Age Psychiatry and Psychotherapy, Bern, Switzerland
Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland