1 International Network for Cancer Treatment and Research, Brussels, Belgium; National Cancer Institute, Bethesda, MD; King Hussein Cancer Center, Amman, Jordan; Inshuti Mu Buzima, Rwinkwavu, Rwanda; Partners in Health, Boston, MA; The Chinese University of Hong Kong, Hong Kong, Special Administrative Region, People's Republic of China; and Johns Hopkins Sidney Kimmel Comprehensive Cancer Center at Sibley Memorial Hospital, Washington, DC.