Affiliation: | 1.Department of Neurosurgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan ;2.Department of Neurosurgery and Neuro-Endovascular Therapy, Hiroshima Prefectural Hospital, Hiroshima, 7348530, Japan ;3.Department of Neurosurgery, Izumi Regional Medical Center, Izumi, 8991611, Japan ; |