1. Department of Radiation Oncology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.
2. Proton and Radiation Therapy Center, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan.
3. Department of Radiation Oncology, Kaohsiung Chang Gung Memorial Hospital, School of Medicine, College of Medicine, National Sun Yat-Sen University, Kaohsiung, Taiwan.
4. School of Traditional Chinese Medicine, Chang Gung University, Taoyuan, Taiwan.