1. ZTG Zentrum für Telematik und Telemedizin GmbH , Universitätsstr. 142 , Bochum , Germany
2. Heilbronn University , GECKO Institute for Medicine, Informatics and Economics , Max-Planck-Str. 39 , Heilbronn , Germany
3. Institute for Medical Informatics and Statistics , University Hospital Schleswig-Holstein and Kiel University , Arnold-Heller-Str. 3 , Kiel , Germany
4. Heilbronn University , Faculty of Computer Science , Max-Planck-Str. 39 , Heilbronn , Germany
5. Pettenkofer School of Public Health (PSPH) , Institute for Medical Informatics, Biometry and Epidemiology (IBE) , LMU Munich , Marchioninistr. 17 , Munich , Germany