1. University of Pennsylvania Philadelphia Pennsylvania USA
2. Department of Clinical Sciences College of Medicine University of St. La Salle Bacolod Philippines
3. Division of Oncology Department of Medicine Corazon Locsin Montelibano Memorial Regional Hospital Bacolod Philippines
4. Division of Oncology Department of Internal Medicine Dr. Pablo O. Torre Memorial Hospital Bacolod Philippines
5. Harvard‐MIT Division of Health Sciences and Technology Massachusetts Institute of Technology Cambridge Massachusetts USA
6. College of Medicine University of the Philippines Manila Philippines
7. Department of Radiation Oncology University of California Los Angeles Los Angeles California USA
8. Department of Radiation Oncology Benavides Cancer Institute University of Santo Tomas Hospital Manila Philippines
9. Department of Radiation Oncology Memorial Sloan Kettering Cancer Center New York New York USA