This author has not been identified. Look up 'Yi Ding' in GoogleThis author has not been identified. Look up 'RongFeng Dong' in GoogleThis author has not been identified. Look up 'Tian Lan' in GoogleThis author has not been identified. Look up 'Xuerui Li' in GoogleThis author has not been identified. Look up 'Guangyu Shen' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Hao Chen' in GoogleThis author has not been identified. Look up 'Zhiguang Qin' in Google