1 Cancer Risk Factors and Lifestyle Epidemiology Unit, Institute for Cancer Research, Prevention and Clinical Network (ISPRO), Florence, Italy.
2 Section of Dermatology, Department of Medicine and Surgery, University of Parma, Parma, Italy.
3 Italian Association of Melanoma Patients (AIMaMe), Rome, Italy.
4 Department of Dermatology, University of Florence, Florence, Italy.
5 Department of Dermatology, Ospedale di Circolo e Fondazione Macchi, Varese, Italy.
6 Dermatology Unit, Galliera Hospital, Genoa, Italy.
7 Skin Cancer Unit, Istituto Scientifico Romagnolo per lo Studio dei Tumori (IRST), Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Meldola, Italy.
8 Immuno-Oncology & Cancer Biotherapies, University of Sassari - Unit of Cancer Genetics, Institute for Genetic and Biomedical Research - National Research Council (IRGB-CNR), Sassari, Italy.
9 Dermatologic Clinic, University of Trieste, Trieste, Italy.
10 Department of Medical Oncology, Centro di Riferimento Oncologico di Aviano (CRO), (IRCCS), Aviano, Italy.
11 Dermatologic Clinic, Department of Medical Sciences, University of Turin Medical School, Turin, Italy.
12 Department of Surgical, Microsurgical and Medical Sciences, Unit of Dermatology, University of Sassari, Sassari, Italy.
13 Division of Epidemiology and Biostatistics, European Institute of Oncology, Milan, Italy.