This author has not been identified. Look up 'Nan Li' in GoogleThis author has not been identified. Look up 'Xun-min Zhu' in GoogleThis author has not been identified. Look up 'Wen-Qiang Li' in GoogleThis author has not been identified. Look up 'Zhen-hai Fu' in GoogleThis author has not been identified. Look up 'Meng-zhu Hu' in GoogleThis author has not been identified. Look up 'Hui-zhu Hu' in Google