The family investigated by Berger et al. The family is of Morrocan-Jewish descent. Both parents and some unaffected sibs were heterozygous for the F229L mutation, both affected individuals were homozygous for this variant.
Ingo Helbig
Child Neurology Fellow and epilepsy genetics researcher at the Children’s Hospital of Philadelphia (CHOP), USA and Department of Neuropediatrics, Kiel, Germany