1. University Department of Medicine, Clinic for Endocrinology, Diabetology, and Metabolism, Kantonsspital Aarau , 5001 Aarau , Switzerland
2. Medical University Department, Division of General Internal and Emergency Medicine, Kantonsspital Aarau , 5001 Aarau , Switzerland
3. Faculty of Medicine, University of Basel , 4001 Basel , Switzerland
4. Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School , 02120 Boston, MA , United States