1Department of Dermatology, Friedrich Alexander University Erlangen-Nürnberg, Erlangen, Germany
2Interdisciplinary Center for Clinical Research (IZKF), Nikolaus Fiebiger Center for Molecular Medicine, Friedrich Alexander University Erlangen-Nürnberg, Erlangen, Germany
3Department of Medical Informatics, Biometry and Epidemiology, Friedrich Alexander University Erlangen-Nürnberg, Erlangen, Germany
4Department of Dermatology, University Hospital, Bern, Switzerland
5Department of Dermatology, Campus Benjamin Franklin, Charité University Medicine Berlin, Germany
6Department of Experimental Pathology, University of Lund, Lund, Sweden