HPGDS and autism: CARS: Childhood Autism Rating Scale, K: potassium (mmol/L), Na: sodium (mmol/L), LDH: lactate dehydrogenase (U/L), GSH: glutathione (μmol/mL/min), GST: glutathione S-transferase (U/L), CK: creatine kinase (U/L), CoQ10: co-enzyme Q10 (ng/mL), Cas7: caspase 7 (pg/mL), MLTN: melatonin (pg/mL).