[1] Tufts Med Ctr, Boston, MA USA
[2] Beth Israel Deaconess Med Ctr, Boston, MA USA
[3] Baylor Scott & White Hlth, Temple, TX USA
[4] Inova Heart & Vasc Inst, Falls Church, VA USA
[5] Cardiovasc Res Fdn, New York, NY USA
[6] Univ Washington, Med Ctr, Seattle, WA USA