1. Department of Otolaryngology—Head and Neck Surgery Chiayi Chang Gung Memorial Hospital Chiayi Taiwan
2. Health Information and Epidemiology Laboratory of Chang Gung Memorial Hospital Chiayi Taiwan
3. Graduate Institute of Clinical Medical Sciences, College of Medicine Chang Gung University Taoyuan Taiwan
4. Faculty of Medicine, College of Medicine Chang Gung University Taoyuan Taiwan
5. Department of Traditional Chinese Medicine Chang Gung Memorial Hospital Chiayi Taiwan
6. School of Traditional Chinese Medicine, College of Medicine Chang Gung University Taoyuan Taiwan
7. Division of Infectious Diseases, Department of Internal Medicine Chiayi Chang Gung Memorial Hospital Chiayi Taiwan