This author has not been identified. Look up 'Xin Zhang' in GoogleThis author has not been identified. Look up 'Yu Pu' in GoogleThis author has not been identified. Look up 'Koichi Ishida' in GoogleThis author has not been identified. Look up 'Yoshikatsu Ryu' in GoogleThis author has not been identified. Look up 'Yasuyuki Okuma' in GoogleThis author has not been identified. Look up 'Po-Hung Chen' in GoogleThis author has not been identified. Look up 'Kazunori Watanabe' in GoogleThis author has not been identified. Look up 'Takayasu Sakurai' in GoogleThis author has not been identified. Look up 'Makoto Takamiya' in Google