作者单位:Yale Univ, Hamden, CT USA[1]Columbia Univ, Med Cntr, New York, NY USA[2]Cardiovasc Rsch Fdn, New York, NY USA[3]Yale Univ, New Haven, CT USA[4]Yale New Haven Med Ctr, 20 York St, New Haven, CT 06504 USA[5]Yale Univ, Sch Med, New Haven, CT USA[6]Columbia Univ, New York, NY USA[7]