1. Department of Cardiovascular Surgery, Fuwai Hospital, National Center for Cardiovascular DiseasesChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing China
2. Department of Cardiovascular SurgeryMayo ClinicRochester Minnesota
3. Department of Ultrasonography, Fuwai Hospital, National Center for Cardiovascular DiseasesChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing China
4. Department of Radiology, The First Hospital of Lanzhou UniversityLanzhou UniversityLanzhou China
5. Department of Magnetic Resonance Imaging, Fuwai Hospital, National Center for Cardiovascular DiseasesChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing China