Table 1.

Synonyms used for search terms.

paediatric	artificial intelligence	brain age
child*	neural net*	brain growth
infant	machine learning	brain development
pediatric	deep learning	brain maturation
	AI	brain-age-gap
		brain age gap
		predicted age difference

The first row in bold shows the umbrella terms used for finding synonyms. The asterisk represents any group of characters, including no character, and appends the root of a word (e.g., child* includes children and child).