Military Medical Academy of Belgrade, Fondazione IRCCS Istituto Nazionale dei Tumori, Odense University Hospital, affiliation not provided to SSRN, Netherlands Cancer Institute - Division of Molecular Oncology and Immunology, affiliation not provided to SSRN, University Hospital Centre Zagreb, Medical University of Vienna, Clinical Center University of Sarajevo, Universitair Ziekenhuis Brussel, affiliation not provided to SSRN, affiliation not provided to SSRN, Aristotle University of Thessaloniki, The University of Manchester, University Hospital Zurich, Hospital Universitario Gregorio Marañón, Ovidius University of Constanta, Elbe Kliniken Buxtehude, Vilnius University, Institute of Oncology Ljubljana, University of Szeged, affiliation not provided to SSRN, Maria Curie-Sklodowska University, affiliation not provided to SSRN, affiliation not provided to SSRN, Saints Cyril and Methodius University of Skopje, affiliation not provided to SSRN, Schleswig-Holstein University and University of Tübingen - Centre for Dermatooncology