Prebiotics in the Prevention of Atopy	PIPA
Respiratory infection	RI
Fructooligosaccharide	FOS
Galactooligosaccharide	GOS
Polidextrose	PDX
Atopic Dermatitis	AD
Prebiotic (GOS/PDX)-enriched formula	PF
Breastfeeding	BF
Human nondigestible Milk Oligosaccharides	HMO
Randomized Controlled Trial	RCT
CONsolidated Standards of Reporting Trials	CONSORT
Recurrent RIs	RRIs
SCORing Atopic Dermatitis	SCORAD
Intention-To-Treat analysis	ITT
Per Protocol	PP
Standard Deviation	SD
Wheezing Lower espiratory-tract Illnesses	WLRIs
Acute Gastroenteritis	AG
Cystic Fibrosis	CF
Standard Formula	SF