1. Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
2. School of Medicine, Chang Gung University, Taoyuan, Taiwan
3. Center of Vascularized Tissue Allograft, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
4. Healthy Aging Research Center, Chang Gung University, Taoyuan, Taiwan
5. Department of Otolaryngology—Head and Neck Surgery, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan