1. Department of Medical Imaging, Jinling Hospital, Clinical School of Medical College, Nanjing University, Nanjing
2. Medical Imaging Institute of Tianjin, Tianjin, China
3. Department of Cardiology, Jinling Hospital, Clinical School of Medical College, Nanjing University, Nanjing
4. Department of Radiology and Biomedical Imaging, University of California, San Francisco, CA, USA