[1] Children's Hospital,
[2] University of Leipzig,undefined
[3] Oststr. 21–25,undefined
[4] D-04317 Leipzig,undefined
[5] Germany; Phone: +49-341-97 26262,undefined
[6] Fax: +49-341-97 26009,undefined
[7] e-mail: schv@medizin.uni-leipzig.de,undefined
[8] Institute of Pathology,undefined
[9] University of Würzburg,undefined
[10] D-97080 Würzburg,undefined
[11] Germany,undefined
[12] Children's Hospital,undefined
[13] University of Würzburg,undefined
[14] D-97080 Würzburg,undefined
[15] Germany,undefined