1. Department of General Internal Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
2. Department of Internal Medicine, Fribourg Cantonal Hospital, Fribourg, Switzerland
3. Institute of Primary Health Care (BIHAM), University of Bern, Switzerland
4. Institute of Higher Education and Research in Healthcare, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
5. Department of Medicine, Internal medicine, Lausanne University hospital, University of Lausanne, Switzerland
6. Department of Physiotherapy, Inselspital, Bern University Hospital, Bern, Switzerland