This author has not been identified. Look up 'Zi-Qiang Xu' in GoogleThis author has not been identified. Look up 'Yang-Tao Sun' in GoogleThis author has not been identified. Look up 'Qiang-qiang Zhou' in GoogleThis author has not been identified. Look up 'Yong-Ling Ban' in GoogleThis author has not been identified. Look up 'Yuan-Xun Li' in GoogleThis author has not been identified. Look up 'Simon S. Ang' in Google