In addition, a single nucleotide polymorphism (SNP) in the 5′ untranslated region of TNF was reported to be associated with Han Chinese pediatric‐onset GPP,41 although future studies will be needed to confirm the effect of the TNF variant on TNF‐α expression and its relationship to the development of pediatric‐onset GPP. Here, TNF is linked to psoriasis 14, pustular.