1. Department of Radiology, the First Affiliated Hospital of Anhui Medical University Research Center of Clinical Medical Imaging, Anhui Province Clinical Image Quality Control Center Hefei Anhui Province China
2. Department of Cardiology the First Affiliated Hospital of Anhui Medical University Hefei Anhui Province China
3. Mallinckrodt Institute of Radiology Washington University School of Medicine in St. Louis St. Louis Missouri USA
4. Philips Healthcare Beijing China