1. Division of Neurosurgery, Department of Surgery, Chang Gung Memorial Hospital at Chia Yi, Puzi City, Taiwan
2. College of Medicine, Chang Gung University, Taoyuan, Taiwan
3. Graduate Institute of Clinical Medical Sciences, School of Medicine, Chang Gung University, Taoyuan, Taiwan
4. Sports Medicine Center, Chang Gung Memorial Hospital at Chia Yi, Puzi City, Taiwan
5. Division of Sports Medicine, Department of Orthopedic Surgery, Chang Gung Memorial Hospital at Chia Yi, Puzi City, Taiwan