1. Division of Endocrinology, Diabetes, and Metabolism, University Hospital Basel, Basel, Switzerland
2. University Center for Gastrointestinal and Liver Diseases, St. Clara Hospital and University Hospital, Basel, Switzerland
3. Division of Endocrinology, Diabetes, and Metabolism, University Department of Medicine, Kantonsspital Aarau, Aarau, Switzerland
4. Division of General Internal and Emergency Medicine, University Department of Medicine, Kantonsspital Aarau, Aarau, Switzerland
5. Foundation National Institute for Cancer Epidemiology and Registration (NICER) University of Zurich, Zurich, Switzerland
6. Division of Health Care Sciences Center for Clinical Research and Management Education Dresden, Dresden International University, Dresden, Germany
7. Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
8. Department of Neurology, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany
9. Faculty of Medicine, University of Basel, Basel, Switzerland