This author has not been identified. Look up 'Naipeng Li' in GoogleThis author has not been identified. Look up 'Nagi Gebraeel' in GoogleThis author has not been identified. Look up 'Yaguo Lei' in GoogleThis author has not been identified. Look up 'Xiaolei Fang' in GoogleThis author has not been identified. Look up 'Xiao Cai' in GoogleThis author has not been identified. Look up 'Tao Yan' in Google