1 European School of Oncology, Bellinzona, Switzerland; Institute for Oncology Research, 6500 Bellinzona, Switzerland. Electronic address: franco.cavalli@ior.usi.ch.
2 UHC/Communicable and Noncommunicable Diseases, World Health Organization Headquarters, Geneva, Switzerland.
3 International Agency for Research on Cancer, Lyon, France.
4 Cancer and Global Health, King's College London, London, UK.
5 University of Texas MD Anderson Cancer Center, Houston, TX, USA.
6 Princess Margaret Cancer Centre, University of Toronto, Toronto, ON, Canada.