German Cancer Research Center (DKFZ), Dres. Krahl Dermatopathology, Dermatopathology Friedrichshafen, Université Paris-Dauphine, PSL Research University - Institut Curie, Cerba Healthcare S.r.l. Rete Diagnostica Italiana, International University of Catalonia, Fondazione IRCCS Istituto Nazionale dei Tumori, University Hospital Münster, Dermpath München, Hospital Universitario La Princesa, Heidelberg University - Department of Dermatology, German Cancer Research Center (DKFZ), Berlin Institute of Health, Technical University of Dresden, German Cancer Research Center (DKFZ) and German Cancer Research Center (DKFZ) - Digital Biomarkers for Oncology Group