作者单位:Einstein Med Ctr, Inst Heart & Vasc Hlth & Cardiovasc Dis, Philadelphia, PA 19141 USA[1]UAB Sch Med, Div Cardiovasc Dis, Birmingham, AL USA[2]Mayo Clin Hlth Syst, Div Hosp Internal Med, Austin, MN USA[3]Mt Sinai Sch Med, Zena & Michael A Weiner Cardiovasc Inst, New York, NY USA[4]