1. Department of Molecular and Cell Biology; University of California; Berkeley, Berkeley California
2. Faculty of Pharmaceutical Sciences; University of British Columbia; British Columbia Canada
3. Department of Medical Research; Chi Mei Medical Center; Tainan Taiwan
4. Department of Hospital and Health Care Administration; Chia-Nan University of Pharmacy and Science; Tainan Taiwan
5. Department of Otolaryngology; School of Medicine; Taipei Medical University; Taipei Taiwan
6. Department of Otolaryngology; Chi Mei Medical Center; Tainan Taiwan