This author has not been identified. Look up 'Lu Zhang' in GoogleThis author has not been identified. Look up 'Zi Yan Zhang' in GoogleThis author has not been identified. Look up 'Luo Min' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Chao Tang' in GoogleThis author has not been identified. Look up 'Hong-Ying Zhang' in GoogleThis author has not been identified. Look up 'Ya-Hong Wang' in GoogleThis author has not been identified. Look up 'Peng Cai' in Google