作者单位：Ain Shams Univ, Dept Radiodiag, Fac Med, Cairo, Egypt[1]Natl Res Ctr, Human Genet & Genome Res Div, Med Mol Genet Dept, Cairo, Egypt[2]Natl Res Ctr, Human Genet & Genome Res Div, Clin Genet Dept, Cairo, Egypt[3]Benha Univ, Dept Pediat, Fac Med, Banha, Egypt[4]
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