Affiliation: | 1. University Department of General Internal Medicine, Division of Psychosomatic Medicine, University Hospital Bern, Inselspital, Switzerland, Bern, Switzerland;2. Laboratory of Cognitive Neuroscience, Ecole Polytechnique Fédérale de Lausanne, Station 15, Lausanne, Switzerland;3. University Department of Anaesthesiology and Pain Therapy, University Hospital of Bern, Inselspital, Bern, Switzerland, Bern, Switzerland |