1. Institute of Social and Preventive Medicine (IUMSP); Lausanne University Hospital
2. Department of Medicine; Internal Medicine; Lausanne University Hospital (CHUV)
3. Division of Psychosomatic Medicine; Inselspital, Bern University Hospital; University of Bern; Bern
4. Department of Psychiatry; Lausanne University Hospital (CHUV); Lausanne; Switzerland