Affiliation: | 1. Department of Radiology, West China Hospital, Sichuan University, Chengdu, Sichuan, China;2. Department of Cadiology, West China Hospital, Sichuan University, Chengdu, Sichuan, China;3. Siemens Healthcare, Erlangen, Germany;4. Siemens Healthcare, Shanghai, China;5. Department of Medicine (Cardiovascular Division), University of Pennsylvania, Philadelphia, Pennsylvania, USA |