[1] St Pauls & Vancouver Gen Hosp, Ctr Cardiovasc Innovat, Vancouver, BC, Canada
[2] Univ British Columbia, St Pauls Hosp, Ctr Heart Valve Innovat, Vancouver, BC, Canada
[3] Univ Calif San Diego, Sulpizio Cardiovasc Ctr, La Jolla, CA USA
[4] Piedmont Heart Inst, Marcus Valve Ctr, Dept Cardiovasc Surg, Atlanta, GA USA
[5] Univ British Columbia, Dept Med Genet, Vancouver, BC, Canada
[6] Brown Univ, Sch Med, Providence, RI 02912 USA
[7] Stanford Univ, Dept Med, Stanford, CA 94305 USA
[8] Mayo Clin, Dept Cardiovasc Surg, Rochester, MN USA
[9] Duke Univ, Sch Med, Dept Anesthesiol, Durham, NC USA
[10] Rowan Univ, Cooper Med Sch, Camden, NJ USA
[11] Harvard Med Sch, Brigham & Womens Hosp, Boston, MA 02115 USA
[12] Northwestern Univ, Feinberg Sch Med, Chicago, IL 60611 USA
[13] Harvard Med Sch, Dept Radiol, Childrens Hosp Boston, Div Nucl Med & Mol Imaging, Boston, MA 02115 USA
[14] Univ Maryland, Sch Med, Dept Diagnost Radiol & Nucl Med, Baltimore, MD 21201 USA
[15] Dalhousie Univ, New Brunswick Heart Ctr, St John, NB, Canada