[1] George Washington Univ, Sch Med, Dept Pediat, Div Pediat Cardiol,Childrens Natl Hosp, Washington, DC 20052 USA
[2] Univ Montreal, CHU St Justine, Dept Pediat, Div Pediat Cardiol, Montreal, PQ, Canada
[3] Harvard Med Sch, Boston Childrens Hosp, Dept Pediat, Dept Cardiol, Boston, MA 02115 USA
[4] Univ Washington, Seattle Childrens Hosp, Seattle, WA 98195 USA
[5] Univ Montreal, CHU St Justine, Dept Pediat, Div Pediat Dermatol, Montreal, PQ, Canada
[6] Univ Paris Saclay, CEREMAIA, Le Kremlin Bicetre, France
[7] Univ Bristol, Bristol, Avon, England
[8] Hosp Sick Children, Toronto, ON, Canada
[9] Univ Milan, Milan, Italy
[10] Univ Utah, Primary Childrens Hosp, Salt Lake City, UT USA
[11] Univ Calif San Diego, Rady Childrens Hosp, Dept Pediat, San Diego, CA 92103 USA