FOXA2 and diabetes mellitus: Interestingly Kaygusuz et al. [30] reported a patient with an 8.53 Mb deletion that included FOXA2 who presented with diabetes and the patient with transient hypoglycaemia reported by Stekelenburg et al. [48] developed diabetes later in childhood, suggesting there could be a more variable pancreatic phenotype caused by variants in FOXA2.