Affiliation: | 1. College of Engineering, Peking University, , Beijing, People's Republic of China;2. Department of Radiology, Beijing Anzhen Hospital, Capital Medical University, , Beijing, People's Republic of China;3. Academy for Advanced Interdisciplinary Studies, Peking University, , Beijing, People's Republic of China;4. Department of Radiology, Peking University First Hospital, , Beijing, People's Republic of China |