1. Graduate Institute of Medical Mechatronics, Chang Gung University, Number 259, Wenhua 1st Road, Kwei-Shan 333, Taoyuan City, Taiwan
2. Taiouan Interdisciplinary Otolaryngology Laboratory, Chang Gung University, Number 259, Wenhua 1st Road, Kwei-Shan 333, Taoyuan City, Taiwan
3. Department of Periodontology, Chang Gung Memorial Hospital, 5 Fu-Shin Street, Kwei-Shan 333, Taoyuan City, Taiwan
4. Department of Prosthodontics, Chang Gung Memorial Hospital, 5 Fu-Shin Street, Kwei-Shan 333, Taoyuan City, Taiwan