1 Department of Radiation Oncology & Proton and Radiation Therapy Center, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan.
2 Department of Radiation Oncology & Proton and Radiation Therapy Center, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan; School of Traditional Chinese Medicine, Chang Gung University College of Medicine, Taoyuan, Taiwan; Department of Radiation Oncology, Xiamen Chang Gung Hospital, Xiamen, China. Electronic address: scorpion@cgmh.org.tw.