作者单位:Department of Medicine Vanderbilt University Medical Center[1]University of Sydney Melanoma Institute Australia[2]Department of Medicine Massachusetts General Hospital[3]The Christie NHS Foundation Trust[4]University Hospital Vall D'Hebron Vall D'Hebron Institute of Oncology[5]Hospital Clinic de Barcelona[6]Department of Biostatistics Vanderbilt University Medical Center[7]University Hospital Essen University of Duisburg-Essen[8]The Royal Marsden NHS Foundation Trust[9]Department of Medical Oncology Dana-Farber Cancer Institute[10]Clínica Médica ARCOS[11]University Hospital October 12[12]Hospital ángeles Puebla[13]Hospital General Universitario Gregorio Mara?on[14]