This author has not been identified. Look up 'Qin Dai' in GoogleThis author has not been identified. Look up 'Hong Chen' in GoogleThis author has not been identified. Look up 'Chenfeng Cui' in GoogleThis author has not been identified. Look up 'Jie Li' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Jun Sun' in GoogleThis author has not been identified. Look up 'Yuxin Ma' in GoogleThis author has not been identified. Look up 'Xuelian Peng' in GoogleThis author has not been identified. Look up 'Yakun Wang' in GoogleThis author has not been identified. Look up 'Xiaotao Hu' in Google