[1] Department of Paediatrics,
[2] Medical University of Lübeck,undefined
[3] Kahlhorststraße 31–35,undefined
[4] D-23538 Lübeck,undefined
[5] Germany,undefined
[6] Tel.: +49-451-500 2525,undefined
[7] Fax: +49-451-500 2956,undefined
[8] Department of Radiology,undefined
[9] University of Lübeck School of Medicine,undefined
[10] Lübeck,undefined
[11] Germany,undefined