This author has not been identified. Look up 'Yujuan Xing' in GoogleThis author has not been identified. Look up 'Zhenyu Liu' in GoogleThis author has not been identified. Look up 'Qiongqiong Chen' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Gang Li' in GoogleThis author has not been identified. Look up 'Zhijie Ding' in GoogleThis author has not been identified. Look up 'Lei Feng' in GoogleThis author has not been identified. Look up 'Bin Hu 0001' in Google