[1] Oregon Hlth & Sci Univ, Dept Pediat, Div Cardiol, 3181 Sw Sam Jackson Pk Rd, Portland, OR 97201 USA
[2] Univ Toronto, Hosp Sick Children, Dept Paediat, Toronto, ON, Canada
[3] Mayo Clin, Dept Radiol, Rochester, MN USA
[4] Amer British Cowdray Med Ctr, Mexico City, DF, Mexico
[5] Northwestern Univ, Feinberg Sch Med, Dept Radiol, Chicago, IL 60611 USA
[6] Northwestern Univ, McCormick Sch Engn, Dept Biomed Engn, Evanston, IL USA
[7] Icahn Sch Med Mt Sinai, New York, NY 10029 USA
[8] Northwestern Univ, Dept Radiol, Feinberg Sch Med, Chicago, IL 60611 USA
[9] Univ Bristol, Clin Res & Imaging Ctr, Bristol, Avon, England
[10] Univ Hosp Bristol NHS Fdn Trust, NIHR Biomed Res Ctr, Bristol, Avon, England
[11] Harvard Med Sch, Boston Childrens Hosp, Dept Pediat, Dept Cardiol, Boston, MA 02115 USA
[12] CDRC, Doernbecher Childrens Hosp, 707 SW Gaines St, Portland, OR 97239 USA