1. Institute for Health Services Research and Health Economics Centre for Health and Society Medical Faculty Heinrich‐Heine‐University Düsseldorf Germany
2. Institute for Health Services Research and Health Economics German Diabetes Center at the Heinrich‐Heine‐University Leibniz‐Center for Diabetes Research Düsseldorf Germany
3. German Center for Diabetes Research (DZD) Neuherberg Germany
4. mediStatistica Neuenrade Germany
5. Institute of Epidemiology Neuherberg Germany
6. Institute of Health Economics and Health Care Management Helmholtz Centre Munich German Research Center for Environmental Health (GmbH) Neuherberg Germany
7. Global Diabetes Research Center Rollins School of Public Health Emory University Atlanta GA USA
8. Institute for Health Care Management and Research Essen University of Duisburg‐Essen Essen Germany