1. Department of Dermatology, Environmental Medicine and Health Theory Osnabrück University Osnabrück Germany
2. Institute for Interdisciplinary Dermatological Prevention and Rehabilitation (iDerm) Osnabrück University Osnabrück Germany
3. Department of Medical Informatics, Biometry and Epidemiology (IMBE) Friedrich‐Alexander Universität Erlangen/Nürnberg Erlangen Germany