This author has not been identified. Look up 'Yunfei Long' in GoogleThis author has not been identified. Look up 'Rong Xiang' in GoogleThis author has not been identified. Look up 'Qin Lu' in GoogleThis author has not been identified. Look up 'Dan Xiong' in GoogleThis author has not been identified. Look up 'Chu-Ren Huang' in GoogleThis author has not been identified. Look up 'Chenglin Bi' in GoogleThis author has not been identified. Look up 'Minglei Li' in Google