[1] Univ Hosp Cologne, Inst Human Genet, Cologne Ctr Genom, D-50931 Cologne, Germany
[2] Univ Hosp Cologne, Inst Genet, D-50931 Cologne, Germany
[3] Ctr Med Genet, Cairo, Egypt
[4] Yassin Abdelghaffar Char Ctr Liver Dis & Res, Cairo, Egypt
[5] Ain Shams Univ, Childrens Hosp, Cairo, Egypt
[6] RZPD Deutsch Ressourcenzentrum Genomforsch GmbH, Berlin, Germany