This author has not been identified. Look up 'Ping Yin' in GoogleThis author has not been identified. Look up 'Junwen Zhong' in GoogleThis author has not been identified. Look up 'Ying Liu' in GoogleThis author has not been identified. Look up 'Tao Liu' in GoogleThis author has not been identified. Look up 'Chao Sun' in GoogleThis author has not been identified. Look up 'Xiaoming Liu' in GoogleThis author has not been identified. Look up 'Jingjing Cui' in GoogleThis author has not been identified. Look up 'Lei Chen' in GoogleThis author has not been identified. Look up 'Nan Hong' in Google