1. Princess Máxima Center, Utrecht, the Netherlands
2. Netherlands Cancer Institute-Antoni van Leeuwenhoek, Amsterdam, the Netherlands
3. Azienda Ospedaliera Papa Giovanni XXIII, Bergamo, Italy
4. Melanoma Institute Australia, The University of Sydney, and Mater and Royal North Shore Hospitals, Sydney, New South Wales, Australia
5. Princess Alexandra Hospital, Brisbane, Queensland, Australia
6. Hospices Civils de Lyon Cancer Institute, Lyon, France
7. Alfred Hospital, Melbourne, Victoria, Australia
8. N.N. Blokhin Cancer Research Center, Moscow, Russian Federation
9. Fiona Stanley Hospital and Edith Cowan University, Perth, Western Australia, Australia
10. Westmead and Blacktown Hospitals, Melanoma Institute Australia, and The University of Sydney, Sydney, New South Wales, Australia
11. Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
12. Royal Marsden Hospital, London, United Kingdom
13. Hospital Clinic Universitari de Barcelona, Barcelona, Spain
14. Istituto Nazionale Tumori IRCCS “Fondazione G. Pascale,” Naples, Italy
15. Maria Skłodowska-Curie National Research Institute of Oncology, Warsaw, Poland
16. University Hospital Essen, Essen, Germany
17. German Cancer Consortium, Heidelberg, Germany
18. Radboud University Medical Center Nijmegen, Nijmegen, the Netherlands
19. Washington University School of Medicine, St Louis, MO
20. Center for Immuno-Oncology, University Hospital of Siena, Siena, Italy
21. Amsterdam University Medical Center, location VUMC, Amsterdam, the Netherlands
22. Aix Marseille University, Hôpital de la Timone, Marseille, France
23. Skin Cancer Center, Hannover Medical School, Hanover, Germany
24. Centre Hospitalier de l’Université de Montréal (CHUM), Centre de recherche du CHUM, Montreal, Quebec, Canada
25. Christie NHS Foundation Trust, Manchester, United Kingdom
26. Merck & Co, Kenilworth, NJ
27. European Organisation for Research and Treatment of Cancer Headquarters, Brussels, Belgium
28. Gustave Roussy and Paris-Saclay University, Villejuif, France