AED	Antiepileptic drug
ASD	Autism spectrum disorder
BCFA	Branched-chain fatty acids
CDKL5	Cyclin-dependent kinase-like 5
CNS	Central nervous system
CSS	Clinical severity score
DS	Down syndrome
GABA	Gamma aminobutyric acid
GI	Gastrointestinal tract
ID	Intellectual disability
KD	Ketogenic diet
MeCP2	Methyl CpG binding protein 2
ND	Neurodevelopmental disorder
RTT	Rett syndrome
SCFA	Short-chain fatty acids