This author has not been identified. Look up 'Ning Ma' in GoogleThis author has not been identified. Look up 'Ying Liu' in GoogleThis author has not been identified. Look up 'Nan Li' in GoogleThis author has not been identified. Look up 'Chang-Xin Wang' in GoogleThis author has not been identified. Look up 'Hao Zhang' in GoogleThis author has not been identified. Look up 'Xiao-Feng Jiang' in GoogleThis author has not been identified. Look up 'Hu-Sheng Xu' in GoogleThis author has not been identified. Look up 'Xian-Ming Fu' in GoogleThis author has not been identified. Look up 'Xiaoping Hu 0001' in GoogleThis author has not been identified. Look up 'Da-Ren Zhang' in Google