1. Department of Neurology, Chang Gung Memorial Hospital at Linkou Medical Center, Taoyuan 333, Taiwan, R.O.C.
2. Department of Plastic and Reconstructive Surgery, Division of Reconstructive Microsurgery, Chang Gung Memorial Hospital at Linkou Medical Center, Taoyuan 333, Taiwan, R.O.C.
3. Department of Anatomical Pathology, Chang Gung Memorial Hospital at Linkou Medical Center, Taoyuan 333, Taiwan, R.O.C.
4. Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital at Linkou Medical Center, Taoyuan 333, Taiwan, R.O.C.