1. Department of Otolaryngology Head and Neck Surgery, Far Eastern Memorial Hospital, New Taipei City 22060, Taiwan
2. Head and Neck Cancer Surveillance and Research Study Group, Far Eastern Memorial Hospital, New Taipei City 22060, Taiwan
3. Department of Communication Engineering, Asia Eastern University of Science and Technology, New Taipei City 22061, Taiwan
4. Department of Biomedical Engineering, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
5. Department of Electrical Engineering, Yuan Ze University, Taoyuan 32003, Taiwan
6. Medical Engineering Office, Far Eastern Memorial Hospital, New Taipei City 22060, Taiwan
7. Division of Radiation Oncology, Department of Radiology, Far Eastern Memorial Hospital, New Taipei City 22060, Taiwan
8. Department of Medicine, School of Medicine, National Yang-Ming University, Taipei 11221, Taiwan
9. Graduate Institute of Medicine, Yuan Ze University, Taoyuan 32003, Taiwan