[1] Emory Univ, Cardiac Intens Care, Atlanta, GA 30322 USA
[2] Vanderbilt Univ, Sch Med, Med, Nashville, TN USA
[3] Yale Univ, Sch Med, Med, New Haven, CT USA
[4] Baylor Coll Med, Med, Houston, TX USA
[5] Baylor Scott & White Hlth, Med, Dallas, TX USA
[6] Univ N Carolina, Nursing, Chapel Hill, NC USA
[7] UT Southwestern Med Ctr, Cardiol, Dallas, TX USA
[8] UT Southwestern Med Ctr, LVAD & Cardiac Transplant Program, Dallas, TX USA
[9] UT Southwestern Med Ctr, Med, Dallas, TX USA
[10] Univ Washington, Med Ctr, Div Cardiol, Med, Seattle, WA USA
[11] Univ Washington, Med Ctr, Dept Bioeth & Humanities, Seattle, WA USA
[12] Univ Washington, Med Ctr, Sect Cardiac Imaging, Seattle, WA USA
[13] Univ Washington, Med Ctr, Echocardiog, Seattle, WA USA
[14] Emory Univ, Sch Med, Atlanta, GA USA
[15] Univ Colorado, Med, Boulder, CO USA
[16] Vanderbilt Univ, Med Ctr, Nashville, TN USA
[17] Vanderbilt Univ, Sch Med, Res & Acad Affairs, Nashville, TN USA
[18] Vanderbilt Univ, Sch Med, Emergency Med, Nashville, TN USA
[19] San Francisco VA Med Ctr, HF & Echo Lab, San Francisco, CA USA