Table 1. α-diversity and gene richness obtained at the different time points analysed for the three infants studied. α-diversity and gene richness were calculated based on genus composition and gene abundance, respectively.

		α-diversity
Infant	Sample	Shannon	Simpson	Chao1	Gene Richness
1	1	0.87	0.43	89	43951
	2	1.48	0.75	120	40418
	3	1.44	0.64	147	50516
2	1	0.74	0.34	103	29781
	2	0.74	0.35	98	32038
	3	1.14	0.52	107	38032
3	1	0.98	0.51	130	43159
	2	0.92	0.44	99	39589
	3	0.88	0.42	128	43023