This author has not been identified. Look up 'Yasuyuki Taki' in GoogleThis author has not been identified. Look up 'Hiroshi Hashizume' in GoogleThis author has not been identified. Look up 'Yuko Sassa' in GoogleThis author has not been identified. Look up 'Hikaru Takeuchi' in GoogleThis author has not been identified. Look up 'Kai Wu' in GoogleThis author has not been identified. Look up 'Michiko Asano' in GoogleThis author has not been identified. Look up 'Kohei Asano' in GoogleThis author has not been identified. Look up 'Hiroshi Fukuda' in GoogleThis author has not been identified. Look up 'Ryuta Kawashima' in Google