1. Department of Otolaryngology National Yang Ming Chiao Tung University Taipei Taiwan
2. Department of Otolaryngology Taipei Veterans General Hospital Taipei Taiwan
3. Department of Otolaryngology Taoyuan General Hospital, Ministry of Health and Welfare Taoyuan Taiwan
4. Infection and Immunity Research Center National Yang Ming Chiao Tung University Taipei Taiwan
5. Oncology, Division of Medical Oncology Taipei Veterans General Hospital Taipei Taiwan
6. Institute of Clinical Medicine National Yang Ming Chiao Tung University Taipei Taiwan
7. Oncology, Division of Radiation Oncology Taipei Veterans General Hospital Taipei Taiwan