1. 1st Department of Dermatology Medical School Andreas Sygros Hospital National and Kapodistrian University of Athens Athens Greece
2. Department of Hygiene and Epidemiology University of Ioannina Medical School Ioannina Greece
3. Department of Epidemiology and Biostatistics Imperial College London London UK
4. Molecular and Pharmaco‐Epidemiology Unit Department of Experimental Oncology IEOEuropean Institute of Oncology IRCCS Milan Italy
5. Division of Epidemiology and Biostatistics IEOEuropean Institute of Oncology IRCCS Milan Italy
6. The Ronald O. Perelman Department of Dermatology New York University School of MedicineNYU Langone Health New York NY USA
7. Division of Epidemiology and Community Health University of Minnesota Minneapolis MN USA
8. Section of Epidemiology and Biostatistics Institute of Medical Research at St James’s University of Leeds Leeds UK
9. Department of Cancer Epidemiology H. Lee Moffitt Cancer Center and Research Institute Tampa FL USA
10. Melanoma Unit Dermatology Department Hospital Clinic Barcelona Centro de Investigación Biomédica August Pi I Sunyer (IDIBAPS) and Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER) Universitat de Barcelona Barcelona Spain
11. Department of Dermatology Leiden University Medical Center Leiden The Netherlands
12. Department of Internal Medicine and Medical Specialties University of Genoa Genoa Italy
13. IRCCS Ospedale Policlinico San Martino Genoa Italy
14. Dermatology, Department of Biotechnological and Applied Clinical Sciences University of L’Aquila L’Aquila Italy
15. Cancer Genomics Program Veneto Institute of Oncology IOV ‐ IRCCS Padua Italy
16. Dptd. Oncologia medica y hematologia Fundación Investigación Clínico de Valencia Instituto de Investigación Sanitaria‐ INCLIVA Valencia Spain
17. Department of Basic Medical Sciences Neurosciences and Sense Organs University of Bari "A. Moro" Bari Italy
18. Department of Biochemistry, Molecular Biology and Immunology University of Murcia and IMIB‐Arrixaca Murcia Spain
19. Department of Epidemiology Richard M. Fairbanks School of Public Health IU Melvin & Bren Simon Cancer Center Indiana University Indianapolis IN USA
20. Division of Cancer Epidemiology and Genetics National Cancer InstituteNIH Bethesda MD USA
21. School of Epidemiology and Public Health University of Ottawa Ottawa Canada
22. Department of Public Health, Environments and Society London School of Hygiene & Tropical Medicine London UK