1. Tianjin Key Laboratory of Network and Data Security Technology, College of Computer Science, Nankai University, Tianjin, China
2. College of Computer Science, Nankai University, Tianjin, China
3. Radiology Department, Tianjin First Central Hospital, Nankai, Tianjin, China
4. Institute of High Performance Computing (IHPC), Agency for Science, Technology and Research (A*STAR), Fusionopolis, Singapore