1. Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine; Brigham and Women's Hospital and Harvard Medical School; Boston Massachusetts
2. Global Epidemiology, Boehringer Ingelheim Pharmaceuticals, Inc; Ridgefield Connecticut
3. Corporate Department Global Epidemiology; Boehringer Ingelheim GmbH; Ingelheim Germany
4. Hannover Medical School; Institute for Epidemiology, Social Medicine and Health Systems Research; Hannover Germany