This author has not been identified. Look up 'Tomohiro Kawahara' in GoogleThis author has not been identified. Look up 'Shigeo Ohashi' in GoogleThis author has not been identified. Look up 'Masaya Hagiwara' in GoogleThis author has not been identified. Look up 'Yoko Yamanishi' in GoogleThis author has not been identified. Look up 'Fumihito Arai' in Google