[1] Department of Pediatric Radiology,
[2] Hospital Universitari Materno-Infantil Vall d'Hebron,undefined
[3] Ps. Vall d'Hebron,undefined
[4] 119–129,undefined
[5] E-08 035 Barcelona,undefined
[6] Spain,undefined
[7] Department of Surgery,undefined
[8] Hospital Comarcal Villafranca del Penedes,undefined
[9] Barcelona,undefined
[10] Spain,undefined
[11] Department of Diagnostic Imaging,undefined
[12] Hospital for Sick Children,undefined
[13] Toronto,undefined
[14] Ontario,undefined
[15] Canada,undefined
[16] Department of Surgery,undefined
[17] Hospital for Sick Children,undefined
[18] Toronto,undefined
[19] Ontario,undefined
[20] Canada,undefined