1. Department of Microbiology and Immunology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807378, Taiwan
2. Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807378, Taiwan
3. Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 807378, Taiwan
4. Department of Neurosurgery, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan
5. Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807378, Taiwan
6. Department of Anesthesiology, Kaohsiung Medical University Hospital, Kaohsiung 807378, Taiwan
7. Division of Pediatric and Spinal Orthopedics, Department of Orthopaedics, Kaohsiung Medical University Hospital, Kaohsiung 807378, Taiwan