University of Hamburg - University Medical Center Hamburg-Eppendorf, University of Hamburg - University Medical Center Hamburg-Eppendorf, University of Hamburg - University Medical Center Hamburg-Eppendorf, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Hamburg - University Medical Center Hamburg-Eppendorf, University of Hamburg - University Medical Center Hamburg-Eppendorf, University of Hamburg - University Medical Center Hamburg-Eppendorf, University of Hamburg - University Medical Center Hamburg-Eppendorf, University of Kiel, affiliation not provided to SSRN, University of Tübingen, University Hospital Erlangen, University Hospital Mühlenkreiskliniken Minden, University of Duisburg-Essen - University Hospital Essen, affiliation not provided to SSRN, Elbe Kliniken Buxtehude, affiliation not provided to SSRN, Helios Klinikum Erfurt, Heidelberg University - Department of Dermatology, affiliation not provided to SSRN, Universitat Regensburg, Saarland University - Medical School, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Freiburg, University of Hamburg - University Medical Center Hamburg-Eppendorf, University of Hamburg - University Medical Center Hamburg-Eppendorf and University Medical Center Hamburg- Eppendorf