Affiliation: | 1. University Department of Medicine, Kantonsspital Aarau, Aarau, Switzerland;2. Department of Internal Medicine, Division of Endocrinology, Diabetes and Clinical Nutrition, University Hospital Basel, Basel, Switzerland;3. Department of Internal Medicine, Bürgerspital Solothurn, Solothurn, Switzerland;4. Basel University Medical Clinic Liestal, Liestal, Switzerland;5. Department of Internal Medicine, Kantonsspital Münsterlingen, Münsterlingen, Switzerland;6. Department of Internal Medicine, Kantonsspital Lucerne, Lucerne, Switzerland |