University of Toronto - Princess Margaret Cancer Centre, University of Tennessee, Knoxville, Humanitas University - Department of Biomedical Sciences, Maria Sklodowska-Curie National Institute of Oncology, The University of Sydney - Concord Hospital, Jewish General Hospital, Montreal, Hospital de Clinicas de Porto Alegre, Fundação Pio XII - Hospital de Câncer de Barretos, Casa de Saude Santa Marcelina, University of São Paulo (USP) - Hospital das Clínicas, Hospital Israelita Albert Einstein, Hebrew University of Jerusalem - Hadassah Medical Center, National Cancer Institute, Kiev, Peter MacCallum Cancer Centre, Szpital Kliniczny im. Przemienienia, Pretoria East Hospital, Ankara Üniversitesi Tip Fakültesi, National Hospital Organization Disaster Medical Center, Merck & Co., Inc., Merck & Co., Inc., Merck & Co., Inc., Universitaria di Bologna - Azienda Ospedaliero and Independent