[1] Cedars Sinai Med Ctr, W Hollywood, CA USA
[2] Weill Cornel Med Coll, New York, NY USA
[3] Univ Erlangen Nurnberg, D-91054 Erlangen, Germany
[4] Henry Ford Hosp, Detroit, MI 48202 USA
[5] Harbor UCLA Med Cntr, Torrance, CA USA
[6] Tennessee Heart & Vasc Inst, Hendersonville, TN USA
[7] Severance Cardiovasc Hosp, Seodaemungu Seoul, South Korea
[8] Univ Ottawa, Inst Heart, Ottawa, ON, Canada
[9] Capital Cardiol Associates, Albany, NY USA
[10] Deutsch Herzzentrum Munich, Klin Erwachsenenkardiol, Munich, Germany
[11] Cardiovasc Rsch Fdn So Calif, Beverly Hills, CA USA
[12] Univ Zurich Hosp, CH-8091 Zurich, Switzerland
[13] Johns Hopkins Univ, Baltimore, MD USA
[14] Emory Univ, Sch Med, Atlanta, GA USA