[1] Childrens Hosp Montefiore, Dept Radiol, Div Pediat Radiol, 111 East 210th St, Bronx, NY 10467 USA
[2] Childrens Hosp Montefiore, Dept Pediat, Div Pediat Radiol, 111 East 210th St, Bronx, NY 10467 USA
[3] Montefiore Med Ctr, Albert Einstein Coll Med, 111 East 210th St, Bronx, NY 10467 USA
[4] Erasmus Univ, Sophia Childrens Hosp, Dept Radiol & Nucl Med, Erasmus Med Ctr, Wytemaweg 80, NL-3015 CN Rotterdam, Netherlands
[5] Erasmus Univ, Sophia Childrens Hosp, Dept Pediat Pneumol & Allergol, Erasmus Med Ctr, Doctor Molewaterpl 40, NL-3015 GD Rotterdam, Netherlands
[6] Harvard Med Sch, Boston Childrens Hosp, Dept Radiol, Boston, MA 02115 USA