[1] Lurie Childrens Hosp, Chicago, IL USA
[2] Univ Rochester, Med Ctr, Pediat Cardiol, Rochester, NY 14642 USA
[3] Cincinnati Childrens Hosp, Pediat Cardiol, Cincinnati, OH USA
[4] Univ Alberta, Stollery Childrens Hosp, Pediat Cardiol, Edmonton, AB, Canada
[5] Mayo Clin, Pediat Cardiol, Rochester, MN USA
[6] Loma Linda Univ, Pediat Cardiol, Loma Linda, CA 92350 USA
[7] Univ Utah, Pediat Cardiol, Salt Lake City, UT USA
[8] Mott Childrens Hosp, Pediat Cardiol, Ann Arbor, MI USA
[9] New York Presbyterian Morgan Stanley Childrens Ho, Pediat Cardiol, New York, NY USA
[10] Emory Univ, Pediat Cardiol, Atlanta, GA 30322 USA
[11] UPMC Childrens Hosp Pittsburgh, Pediat Cardiol, Pittsburgh, PA USA
[12] Seattle Childrens Hosp, Pediat Cardiol, Seattle, WA USA
[13] Mt Sinai Kravis Childrens Hosp, Pediat Cardiol, New York, NY USA
[14] Childrens Med Ctr Dallas, Pediat Cardiol, Dallas, TX USA
[15] Arkansas Childrens Hosp, Pediat Cardiol, 800 Marshall St, Little Rock, AR 72202 USA
[16] Univ Virginia, Pediat Cardiol, Charlottesville, VA USA