1. Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan, R.O.C
2. Department of Otolaryngology, National Cheng Kung University Hospital, Tainan 70428, Taiwan, R.O.C
3. Department of Radiation Oncology, National Cheng Kung University Hospital, Tainan 70428, Taiwan, R.O.C
4. Department of Pharmacology, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan, R.O.C
5. Institute of Molecular Medicine, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan, R.O.C
6. Department of Medical Laboratory Science and Biotechnology, Kaohsiung Medical University, Kaohsiung 80708, Taiwan, R.O.C