1. Department of Radiation Oncology, E-DA Hospital, Kaohsiung City, Taiwan
2. Department of Medical Imaging and Radiological Sciences, I-Shou University, Kaohsiung City, Taiwan
3. School of Medicine, I-Shou University, Kaohsiung City, Taiwan
4. Department of Otolaryngology, E-DA Hospital, Kaohsiung City, Taiwan
5. Department of Medical Oncology, E-DA Hospital, Kaohsiung City, Taiwan
6. Department of Radiology, E-DA Hospital, Kaohsiung City, Taiwan
7. Department of Electronic Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan