1. Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital at Linkou, Taoyuan City, Taiwan
2. School of Medicine, Chang Gung University, Taoyuan City, Taiwan
3. Center for Vascularized Composite Allotransplantation, Chang Gung Memorial Hospital, Taoyuan City, Taiwan
4. Healthy Aging Research Center, Chang Gung University, Taoyuan City, Taiwan
5. Department of Psychology, National Taiwan University, Taipei, Taiwan
6. Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital at Linkou, Taoyuan City, Taiwan