1. Department of Cardiovascular Surgery Second Affiliated Hospital of Harbin Medical University Harbin, Heilongjiang China
2. Key Laboratory of Myocardial Ischemia Harbin Medical UniversityMinistry of Education Harbin, Heilongjiang China
3. Future Medical Laboratory Second Affiliated Hospital of Harbin Medical University Harbin, Heilongjiang China
4. Department of Ultrasound Second Affiliated Hospital of Harbin Medical University Harbin, Heilongjiang China
5. Department of Gynecology and Obstetrics First Affiliated Hospital of Harbin Medical University Harbin, Heilongjiang China
6. Toronto General Hospital Research InstituteUniversity Health Network Toronto Ontario Canada
7. Department of Surgery University of Toronto Toronto Ontario Canada