This author has not been identified. Look up 'Shinpei Soda' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Masahide Nakamura' in GoogleThis author has not been identified. Look up 'Shinsuke Matsumoto' in GoogleThis author has not been identified. Look up 'Shintaro Izumi' in GoogleThis author has not been identified. Look up 'Hiroshi Kawaguchi' in GoogleThis author has not been identified. Look up 'Masahiko Yoshimoto' in Google