[1] SKG Radiol, Subiaco, WA, Australia
[2] Univ Notre Dame Australia, Sch Med, Fremantle, Australia
[3] Univ Sheffield, Sch Med & Populat Hlth, Sheffield, England
[4] Columbia Univ, Irving Med Ctr, New York, NY USA
[5] Karolinska Inst, Dept Womens & Childrens Hlth, Stockholm, Sweden
[6] Childrens Hosp Philadelphia, Dept Radiol, Philadelphia, PA USA
[7] Univ Penn, Perelman Sch Med, Philadelphia, PA USA
[8] Bicetre Hosp, Paediat Radiol Dept, Le Kremlin Bicetre, France
[9] Univ Amsterdam, Dept Radiol & Nucl Med, Amsterdam UMC, Amsterdam, Netherlands
[10] Great Ormond St Hosp Children NHS Fdn Trust, Dept Radiol, London, England
[11] UCL, Inst Child Hlth, London, England
[12] Sheffield Childrens NHS Fdn Trust, Dept Radiol, Sheffield, England
[13] European Soc Paediat Radiol, Paris, France