1. Department of Physical Medicine and Rehabilitation; Chang Gung Memorial Hospital at Linkou; Taoyuan Taiwan
2. Center of Vascularized Tissue Allograft; Chang Gung Memorial Hospital at Linkou; Taoyuan Taiwan
3. School of Medicine; Chang Gung University; 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