[1] 3rd Department of Internal Medicine,
[2] Semmelweis University of Medicine Budapest,undefined
[3] Hungary,undefined
[4] Department of Genetics,undefined
[5] Cell and Immunobiology,undefined
[6] Semmelweis University of Medicine Budapest,undefined
[7] Hungary,undefined
[8] Heim Pal Paediatric Hospital Central Laboratory Budapest,undefined
[9] PO Box 66,undefined
[10] H-1958 Budapest,undefined
[11] Hungary,undefined
[12] E-mail: szalai@heim.sote.hu,undefined
[13] Tel.: +36-1-210-0712,undefined
[14] Fax: +36-1-333-0167,undefined