1. School of Biomedical Engineering, ShanghaiTech University, Shanghai, China
2. Department of Computer Science, Johns Hopkins University, Baltimore, MD, USA
3. Department of Pathology, The Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital, Kunming, China
4. Department of Radiology, The Third Affiliated Hospital of Kunming Medical University, Yunnan Cancer Hospital, Kunming, China
5. School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China