[1] Univ Toronto, Inst Med Sci, Toronto, ON M5G 2M9, Canada
[2] Univ Toronto, Dept Surg, Div Cardiovasc Surg, Toronto, ON M5G 2M9, Canada
[3] Harbin Med Univ, Coll Pharm, Dept Pharmacol, Harbin 150001, Peoples R China
[4] Univ Hlth Network, Toronto Gen Res Inst, Div Cardiovasc Surg, Toronto, ON M5G 1L7, Canada