1. Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital–Kaohsiung Medical Center, Chang Gung University College of Medicine, Taiwan.
2. Department of Neurosurgery, Chang Gung Memorial Hospital–Kaohsiung Medical Center, Chang Gung University College of Medicine, Taiwan.
3. Department of Neurosurgery, E-Da Hospital, I-Shou University, Kaohsiung, Taiwan.