1. Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, P.R. China
2. Department of Emergency, Zhongshan Hospital, Fudan University, Shanghai, P.R. Chinacountry>
3. Department of Respiratory Medicine, Zhongshan Hospital, Fudan University, Shanghai, P.R. Chinacountry>
4. Department of Lung Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin Lung Cancer Center, P.R. China
5. School of Electronics Engineering and Computer Science, Peking University, Peking, P.R. China
6. Department of Computer Science, The University of Hong Kong, Hong Kong, P.R. China
7. Department of Radiology, Renmin Hospital of Wuhan University, Wuhan, P.R. China
8. Department of Radiology, University of Chicago, Chicago, IL, USA
9. MS Technologies Corp, Rockville, MD 20850; Shenzhen Smart Imaging Healthcare Co, Shenzhen, China