Gondhowiardjo, S.A., Department of Radiation Oncology, Faculty of Medicine, Universitas Indonesia – Dr. Cipto Mangunkusumo National General Hospital, Jakarta, Indonesia; Handoko, Department of Radiation Oncology, Faculty of Medicine, Universitas Indonesia – Dr. Cipto Mangunkusumo National General Hospital, Jakarta, Indonesia; Tham, I., Radiation Oncology Centre, Mt Elizabeth Novena Hospital, Singapore City, Singapore; Giselvania, A., Department of Radiation Oncology, Faculty of Medicine, Universitas Indonesia – Dr. Cipto Mangunkusumo National General Hospital, Jakarta, Indonesia; Bilimagga, R.S., Department of Radiation Oncology, HealthCare Global (HCG) Enterprises (Bangalore Institute of Oncology), Bangalore, Karnataka, India; Octavianus, S., Department of Radiation Oncology, Faculty of Medicine, Universitas Indonesia – Dr. Cipto Mangunkusumo National General Hospital, Jakarta, Indonesia; Hiraoka, M., Department of Radiation Oncology, Japanese Red Cross Wakayama Medical Center, Wakayama, Japan; Jayalie, V.F., Department of Radiation Oncology, Faculty of Medicine, Universitas Indonesia – Dr. Cipto Mangunkusumo National General Hospital, Jakarta, Indonesia; Tamaki, T., Department of Radiation Oncology, Fukushima Medical University, Fukushima, Japan; Calaguas, M., Division of Radiation Oncology, Department of Radiology, University of the Philippines, Philippine General Hospital, Manila, Philippines; Nakano, T., Quantum Medical Science Directorate, National Institute of Radiological Sciences (NIRS), National Institutes for Quantum and Radiological Science and Technology (QST), Chiba, Japan