1. Division of Epidemiology and BiometryCarl von Ossietzky University of Oldenburg Oldenburg Germany
2. Institute for Laboratory Medicine and Microbiology, Klinikum OldenburgCarl von Ossietzky University of Oldenburg Oldenburg Germany
3. Department of Clinical EpidemiologyLeibniz Institute for Prevention Research and Epidemiology—BIPS Bremen Germany
4. EpidemiologyRTI Health Solutions Barcelona Spain
5. Pharmacoepidemiology DepartmentServier Suresnes France
6. The Center for Health Policy and Health Services ResearchHenry Ford Health System Detroit Michigan