ABCC8, ATP-binding cassette subfamily C member 8; KCNJ11, potassium inwardly rectifying channel subfamily J member 11; GLUD1, glutamate dehydrogenase; GCK, glucokinase; HADH, hydroxyacyl-coenzyme A dehydrogenase; HNF4A, hepatocyte nuclear factor 4-alpha; SLC16A1, solute carrier family 16; UCP2, uncoupling protein 2; CIR, crecimiento intrauterino retardado