1. Division of Neurosurgery, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan, ROC
2. Department of Pathology and Laboratory Medicine, Kaohsiung Veterans General Hospital, Taiwan, ROC
3. Department of Nursing, Meiho University, Taiwan, ROC
4. Department of Radiology, Section of Neuroradiology Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan, ROC