[1] Stanford Univ, Med Ctr, Stanford, CA 94305 USA
[2] Stanford Univ, Palo Alto, CA 94304 USA
[3] Medicines Co, Parsippany, NJ USA
[4] Columbia Univ, Med Ctr, New York, NY USA
[5] Cardiovasc Res Fdn, New York, NY USA
[6] Kerckhoff Heart Ctr, Bad Nauheim, Germany
[7] Hop Bichat Claude Bernard, F-75877 Paris, France
[8] Harvard Univ, Beth Israel Deaconess Med Ctr, Sch Med, Boston, MA 02215 USA
[9] Auckland City Hosp, Green Lane Cardiovasc Serv, Auckland, New Zealand
[10] Scripps Clin, La Jolla, CA 92037 USA
[11] Stanford Hosp & Clin, San Carlos, CA USA
[12] Stanford Univ, Stanford, CA 94305 USA
[13] Stanford Univ, Dept Med, Stanford, CA 94305 USA
[14] Harvard Univ, Sch Med, Boston, MA USA