Corresponding Author
Chie Matsuura怀MD,
Department of Neurosurgery
Toho University Omori Medical Center
6-11-1 Omori-Nishi
Ota-ku, Tokyo 143-8541, Japan
E-mail: chie.matsuura@med.toho-u.ac.jp
Tel: +81-3-3762-4151
Fax: +81-3-5763-6573