1. Department of Otolaryngology, Cathay General Hospital, Taipei, Taiwan
2. School of Medicine, Fu-Jen Catholic University, New Taipei City, Taiwan
3. Department of Otolaryngology, National Taiwan University Hospital, Taipei, Taiwan
4. Department of Clinical Pharmacy, School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
5. Research Center for Pharmacoeconomics, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
6. Department of Medical Research, National Taiwan University Hospital, Hsin-Chu Branch, Hsinchu, Taiwan
7. Hearing and Speech Center, National Taiwan University Hospital, Taipei, Taiwan
8. Department of Speech Language Pathology and Audiology, Chung Shan Medical University, Taichung, Taiwan
9. Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan.