1. Department of OtolaryngologyChang Gung Memorial Hospital at Linkou Taoyuan Taiwan
2. School of MedicineChang Gung University Taoyuan Taiwan
3. Graduate School of ManagementMing Chun University Taipei Taiwan
4. Department of Physical Medicine and RehabilitationChang Gung Memorial Hospital at Linkou Taoyuan Taiwan
5. Healthy Aging Research CenterChang Gung University Taoyuan Taiwan
6. Center for Vascularized Composite AllotransplantationChang Gung Memorial Hospital Taoyuan Taiwan