[1] Washington Univ, Dept Med, Cardiovasc Div, Sch Med, 660 S Euclid Ave,Box 6068, St Louis, MO 63110 USA
[2] Mayo Clin, Dept Cardiovasc Dis, Rochester, MN USA
[3] Univ Illinois, Dept Med, Div Cardiol, Chicago, IL USA
[4] Univ Michigan, Dept Internal Med, Div Cardiovasc Med, Ann Arbor, MI 48109 USA
[5] Wellstar Atlanta Med Ctr, Div Cardiol, Atlanta, GA USA
[6] Inova Heart & Vasc Inst, Falls Church, VA USA
[7] NHLBI, Bldg 10, Bethesda, MD 20892 USA
[8] Mayo Clin, Dept Cardiovasc Med, Rochester, MN USA
[9] Hoag Mem Hosp, Jeffrey M Carlton Heart & Vasc Inst, Newport Beach, CA USA
[10] Univ Fed Rio de Janeiro, Rio De Janeiro, Brazil
[11] Emory Univ, Sch Med, Div Cardiol, Atlanta, GA 30322 USA
[12] Christ Hosp, Heart & Vasc Inst, Womens Heart Ctr, Cincinnati, OH 45219 USA
[13] Rowan Univ, Dept Med, Cardiovasc Div, Cooper Med Sch, Camden, NJ USA
[14] Piedmont Heart Inst, Div Cardiol, Atlanta, GA USA
[15] Harvard Med Sch, Corrigan Minehan Heart Ctr, Massachusetts Gen Hosp, Boston, MA 02115 USA