| Affiliation: | 1. University of Pennsylvania, Philadelphia, Pennsylvania, USA;2. Department of Clinical Sciences, College of Medicine, University of St. La Salle, Bacolod, Philippines;3. Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA;4. College of Medicine, University of the Philippines, Manila, Philippines;5. Department of Radiation Oncology, Benavides Cancer Institute, University of Santo Tomas Hospital, Manila, Philippines;6. Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, New York, USA |
