CS	Caesarean section
CD	Cesarean-born neonates
CDL	Cesarean-born neonates supplemented with a probiotic at a lower dosage
CDH	Cesarean-born neonates supplemented with a probiotic at a higher dosage
COG	Clusters of orthologous groups of proteins
FMT	Fecal microbiota transplantation
GM	Gut microbiota
GOS	Galacto-oligosaccharides
sIgA	Fecal secreted immunoglobulin A
HMOs	Human milk oligosaccharides
IF	Intervention formula
Lp N1115	Lactobacillus paracasei N1115
MS	Mass spectrometry
scGOS/lcFOS	Short-chain galactooligosaccharides and long-chain fructooligosaccharides
PCR	Polymerase chain reaction
RCT	Randomized clinical trial
VD	Natural delivery neonates
VDAART	Vitamin D antenatal asthma reduction trial