This author has not been identified. Look up 'Jun Liu' in GoogleThis author has not been identified. Look up 'Xiaodong Ruan' in GoogleThis author has not been identified. Look up 'Mingming Lu' in GoogleThis author has not been identified. Look up 'Huajian Weng' in GoogleThis author has not been identified. Look up 'Di Wu' in GoogleThis author has not been identified. Look up 'Minyi Zheng' in Google