1. 1st Department of Dermatology‐Venereology National and Kapodistrian University of AthensAndreas Sygros Hospital Athens Greece
2. Department of Social and Behavioral Sciences Harvard TH School of Public Health Boston MA USA
3. Department of Hygiene and Epidemiology University of Ioannina Medical School Ioaninna Greece
4. Section of Nutrition and MetabolismInternational Agency for Research on Cancer Lyon France
5. Melanoma Institute AustraliaThe University of Sydney Sydney NSW Australia
6. Centre for Dermatooncology Department of Dermatology Eberhard Karls University Tübingen Germany
7. Department of Surgical Oncology The University of Texas MD Anderson Cancer Center (MD Anderson) Houston TX USA
8. Department of Dermatology University Hospital of ZurichUniversity of Zurich Zurich Switzerland
9. Department of Dermatology and Venerology University Hospital of Schleswig‐Holstein Kiel Germany
10. Coimbra Hospital and Universitary Centre Coimbra Portugal
11. Dermatology Clinic Maggiore HospitalUniversity of Trieste Trieste Italy
12. Division of Dermatology and Venerology Medical University of Graz Graz Austria
13. Department of Epidemiology and Biostatistics School of Public Health Imperial College London London UK
14. Sydney Medical School The University of Sydney Sydney NSW Australia
15. Royal Prince Alfred Hospital Camperdown, Sydney NSW Australia
16. New South Wales Health Pathology Sydney NSW Australia
17. Fondazione Policlinico Universitario A. Gemelli IRCCSUOC di Dermatologia Rome Italy
18. Università Cattolica del Sacro CuoreDermatologia Rome Italy