Additionally, there was a case series on the persistence of FAs in patients with dedicator of cytokinesis 8 protein (DOCK8) deficiency who underwent hematopoietic stem cell transplantation [68], as well as a report on subtotal villous atrophy linked to food protein sensitivity in three pediatric liver transplant recipients receiving tacrolimus [71]. This evidence concerns the gene DOCK8 and hyperinsulinemic hypoglycemia, familial, 4.