Affiliation: | (1) Department of Neurosurgery, Hiroshima University Graduate School of Biomedical Sciences, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551, Japan;(2) Department of Neurosurgery, Hiroshima Red Cross Hospital and Atomic-bomb Survivors Hospital, 1-9-6 Sendamachi, Naka-ku, Hiroshima 730-8619, Japan |