机构:
NW Mem Hosp, Div Cardiothorac Surg, Bluhm Cardiovasc Inst, Ctr Heart Failure, Chicago, IL 60611 USA
Northwestern Univ, Feinberg Sch Med, Dept Surg, Div Cardiothorac Surg, Chicago, IL 60611 USANW Mem Hosp, Div Cardiothorac Surg, Bluhm Cardiovasc Inst, Ctr Heart Failure, Chicago, IL 60611 USA