KCNJ1 and Timothy syndrome: Previous studies have pointed towards an important, but functionallycomplex role for both the HLA11, 16, 17, 19, 35 and KIR11 systems in TS and to fully appreciate the extent of immunogeneticassociations with TS, future studies will be required to perform full sequenceresolution genotyping of immunoreceptor genes in large and well powered studies.