1. Department of Anatomy and Neurobiology; Kyoto Prefectural University of Medicine Graduate School of Medical Science; 465 Kawaramachi Hirokoji; Kamigyoku; Kyoto; 602-8566; Japan
2. Division of Life Science; Graduate School of Science and Engineering; Saitama University; Saitama; Japan
3. Laboratory of Behavioral Neuroendocrinology; University of Tsukuba; Tsukuba; Japan
4. Division of Endovascular Neurosurgery; Stroke Center; International Medical Center; Saitama Medical University; Hidaka; Saitama; Japan
5. Laboratory of Molecular Neurosurgery; Department of Neurological Surgery; Weill Cornell Medical College; New York; NY; USA