1. Department of Neurosurgery, Harasanshin Hospital, Fukuoka, Japan
2. Department of Neurosurgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
3. Department of Radiology, Harasanshin Hospital, Fukuoka, Japan
4. Department of Clinical Chemistry and Laboratory Medicine, Kyushu University Hospital, Fukuoka, Japan
5. Division of Medical Technology, Department of Health Sciences, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
6. Department of Neurology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
7. Department of Neurosurgery, Hachisuga Hospital, Munakata, Japan.