[1] Washington Univ, Sch Med, St Louis, MO 63110 USA
[2] Texas A&M Univ, Hlth Sci Ctr, Coll Med, Baylor Scott & White Hlth, Temple, TX USA
[3] NHLBI, Off Res Training & Career Dev, Div Cardiovasc Sci, NIH, Bethesda, MD 20892 USA
[4] John Cochran VA Med Ctr, St Louis, MO USA
[5] Univ Michigan, Med Ctr, Ann Arbor, MI USA
[6] Vanderbilt Univ, Sch Med, Nashville, TN 37212 USA
[7] MedStar Heart & Vasc Inst, Washington, DC USA
[8] Columbia Univ, Med Ctr, New York, NY USA
[9] Yale Univ, Sch Med, New Haven, CT USA
[10] Natl Jewish Hlth, Denver, CO USA