This author has not been identified. Look up 'Ning-Ning Wang' in GoogleThis author has not been identified. Look up 'Xiang-Gui Wang' in GoogleThis author has not been identified. Look up 'Guo-Li Xiong' in GoogleThis author has not been identified. Look up 'Zi-Yi Yang' in GoogleThis author has not been identified. Look up 'Ai-Ping Lu' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Xiang Chen' in GoogleThis author has not been identified. Look up 'Shao Liu' in GoogleThis author has not been identified. Look up 'Tingjun Hou' in GoogleThis author has not been identified. Look up 'Dong-Sheng Cao 0001' in Google