This author has not been identified. Look up 'Ling-Fang Li' in GoogleThis author has not been identified. Look up 'Xu Wang' in GoogleThis author has not been identified. Look up 'Wei-Jian Hu' in GoogleThis author has not been identified. Look up 'Neal N. Xiong' in GoogleThis author has not been identified. Look up 'Yong-Xing Du' in GoogleThis author has not been identified. Look up 'Bao-Shan Li' in Google