[1] Beth Israel Deaconess Med Ctr, Boston, MA 02215 USA
[2] Univ Barcelona, E-08007 Barcelona, Spain
[3] Univ Kliniikum Carl Gustav Carus Dresden, Dresden, Germany
[4] Georgetown Univ, Med Ctr, Washington, DC 20057 USA
[5] Univ Colorado, Hlth Sci Ctr, Denver, CO USA
[6] Hop Sacre Coeur, Montreal, PQ H4J 1C5, Canada
[7] Univ Cincinnati, Heart & Vasc Ctr, Cincinnati, OH 45221 USA
[8] Otsuka Maryland Res Inst, Rockville, MD USA