1. Department of Radiation Oncology, Vagelos College of Physicians and Surgeons, Columbia University, New York, New York
2. Department of Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York, New York
3. Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, New York
4. Herbert Irving Comprehensive Cancer Center, Vagelos College of Physicians and Surgeons, Columbia University, New York, New York
5. Group of Infection and Cancer, School of Medicine, University of Antioquia, Medellín, Colombia