IPdS reports personal fees from Bristol Myers Squibb, Merck Sharp & Dohme, and Roche, outside the submitted work. ABW reports personal fees from Shanghai Jo’Ann Medical Technology, Nanobiotix, Novartis, LG Chem Life Sciences, and Iovance, outside the submitted work. CA reports personal fees from Roche, Amgen, and Bristol Myers Squibb, outside the submitted work. JM reports grants, personal fees, and travel grants from Bristol Myers Squibb and Merck Sharp & Dohme; personal fees from Merck Sharp & Dohme, Pfizer, Sanofi, Amgen, and Novartis; personal fees and travel grants from Pierre Fabre; and travel grants from Ultrasun and Loreal, outside the submitted work. LZ reports personal fees, advisory board participation, and travel grants from Bristol Myers Squibb, Merck Sharp & Dohme, Pierre Fabre, Roche, and Novartis; and advisory board participation and travel grants from Sanofi and Amgen, outside the submitted work. OK and AH report personal fees from Bristol Myers Squibb and Merck Sharp & Dohme, outside the submitted work. OM reports grants and personal fees from Bristol Myers Squibb, Merck Sharp & Dohme, Pierre-Fabre, and Amgen; personal fees from Roche, Novartis, and GlaxoSmithKline; and grants from Merck Sharp & Dohme, outside the submitted work. PAA reports grants and personal fees from Bristol Myers Squibb, Roche, Array BioPharma, and Sanofi; personal fees from Merck Sharp & Dohme, Novartis, Merck Serono, Pierre Fabre, Incyte, Medimmune, AstraZeneca, Syndax, Sun Pharma, Idera, Ultimovacs, Sandoz, Immunocore, 4SC, Alkermes, Italfarmaco, Boehringer Ingelheim, Eisai, Regeneron, Daiichi Sankyo, Pfizer, Oncosec, Nouscom, and Lunaphore; and uncompensated consultant service from Takis, outside the submitted work. MSC reports personal fees from Bristol Myers Squibb, Merck Sharp & Dohme, Novartis, Amgen, Sanofi, Merck Serono, Pierre Fabre, Roche, Ideaya, Regeneron, Nektar, Eisai, Qbiotics, and Oncosec, outside the submitted work. CL reports grants and personal fees from Bristol Myers Squibb and Roche; personal fees from Merck Sharp & Dohme, Novartis, Amgen, Avantis Medical Systems, Pierre Fabre, Pfizer, Incyte, Merck Serono, and Sanofi, outside the submitted work. PL reports personal fees and support for travel from Merck Sharp & Dohme and Novartis; personal fees from Amgen, Nektar, and Pierre Fabre; and grants, personal fees, and support for travel from Bristol Myers Squibb, outside the submitted work. DBJ reports being part of advisory boards and consulting for Array Biopharma, Catalyst, Iovance, Jansen, Merck Sharp & Dohme, Novartis, and Oncosec; grants and other research funding from Bristol Myers Squibb; and grants from Incyte, outside the submitted work. SS reports grants from Novartis, AstraZeneca, Merck Sharp & Dohme, and Genentech; and personal fees from AstraZeneca, Merck Sharp & Dohme, and Bristol Myers Squibb, outside the submitted work. AMM reports personal fees from Bristol Myers Squibb, Merck Sharp & Dohme, Novartis, Pierre Fabre, and QBiotics, outside the submitted work. GVL reports personal fees from Amgen, Array Biopharma, Boehringer Ingelheim, Bristol Myers Squibb, Hexal, Highlight Therapeutics, Merck Sharp & Dohme, Novartis, Pierre Fabre, QBiotics, Regeneron Pharmaceuticals, and Specialised Therapeutics Australia, outside the submitted work. All other authors declare no competing interests.