Affiliation: | Addresses of authors: Department of Anatomy;;Oral Health Science Center HRC7, Tokyo Dental College, Chiba 261-8502, Japan;;Department of Neurology Gross Anatomy Section, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima 890-8520, Japan;;Corresponding author: Tel.: +81 43 270 3571;fax: +81 43 277 4010;e-mail address: |