[1] Institut für Umweltmedizinische Forschung (IUF) at the Heinrich-Heine-University Düsseldorf,
[2] GSF – National Research Center for Environment and Health,undefined
[3] Institute of Epidemiology,undefined
[4] Ludwig-Maximilians-University of Munich,undefined
[5] Institute of Medical Data Management,undefined
[6] Biometrics and Epidemiology,undefined
[7] Chair of Epidemiology,undefined
[8] Utrecht University,undefined
[9] Institute for Risk Assessment Sciences,undefined