Affiliation: | (1) Department of Diagnostic Imaging, Central Railway Hospital, Bursztynowa 2, 04–749 Warsaw, Poland e-mail: m.figatowska@mp.pl Tel.: + 48-22-6 13 19 76 Fax: + 48-22-6 13 19 76, PL;(2) Department of Metabolic Diseases, Children's Memorial Health Institute, Warsaw, Poland, PL;(3) Department of Radiology and Diagnostic Imaging, Medical Centre for Postgraduate Education, Warsaw, Poland, PL |