1. Department of Rheumatology, Bethesdaspital, Basel, Switzerland
2. Department of Surgery, St. Clara Hospital, Basel, Switzerland
3. Department of Psychiatry and Psychotherapy, University Medical Center Freiburg, Freiburg im Breisgau, Germany
4. Department of Genetics and Molecular Biology, Viollier AG, Basel, Switzerland
5. Center of Nutrition and Metabolism, St. Clara Hospital, Basel, Switzerland