This author has not been identified. Look up 'Jin Akiyama' in GoogleThis author has not been identified. Look up 'Sin Hitotumatu' in GoogleThis author has not been identified. Look up 'Motonaga Ishii' in GoogleThis author has not been identified. Look up 'Akihiro Matsuura' in GoogleThis author has not been identified. Look up 'Ikuro Sato' in GoogleThis author has not been identified. Look up 'Shun Toyoshima' in Google