Johannes Gutenberg University Mainz - University Medical Center, University of Turin, KU Leuven - University Hospitals Leuven, University Hospital Zurich - Department of Dermatology, University of Göttingen, University of Göttingen, Instituto de Investigación Sanitaria Hospital "12 de Octubre" - Hospital Universitario 12 de Octubre, Centre Hospitalier Universitaire Vaudois (CHUV), Niigata University - Division of Dermatology, The Christie NHS Foundation Trust, San Gallicano Dermatological Institute IRCCS, Université Paris Cité, Centre Hospitalier Lyon-Sud - Hospices Civils de Lyon, Tohoku University, St John's Institute of Dermatology, Ruhr University of Bochum, Schleswig-Holstein University, University of Lubeck, Kantonsspital St Gallen, Ludwigshafen Medical Center, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Maria Curie-Sklodowska University, University of Lodz, Hospital Duran i Reynals (ICO) - Catalan Institute of Oncology, Consorcio Mar Parque de Salud de Barcelona, University Hospital Zurich - Department of Dermatology, UZ Leuven Hospitals - epartment of General Medical Oncolog, Yakut Hinsah Co. Ltd, Medical University of Vienna, Johannes Gutenberg University Mainz - University Medical Center, University Hospitals Birmingham NHS Foundation Trust and Independent