1. Department of Internal Medicine, Lausanne University Hospital, Switzerland
2. Department of Consultation-Liaison Psychiatry and Psychosomatic Medicine, University Hospital Zurich, Switzerland
3. Department of Internal Medicine, Lausanne University Hospital, Switzerland / Educational Unit, School of Medicine, Faculty of Biology and Medicine, University of Lausanne, Switzerland
4. Department of Consultation-Liaison Psychiatry and Psychosomatic Medicine, University Hospital Zurich, Switzerland / Faculty of Medicine, University of Zurich, Switzerland