SLC25A13 and hyperinsulinemic hypoglycemia, familial, 4: However, this concept has been challenged by accumulating clinical, laboratory and even behavioral evidences [9]–[11], and actually, an additional CD phenotype, Failure to Thrive and Dyslipidemia caused by Citrin Deficiency (FTTDCD), has been put forward recently [2], [12]–[14].