Table 1.
List of volunteers for collection of fecal samples.
| Subject | Sex | Age | Groupa | Number of samples | Sample ID | Analysis method |
|---|---|---|---|---|---|---|
| Newborn A | F | Newborn | BM1 | Three samples collected | A1/A2/A3 | 454 pyrosequencing (GS FLX+) |
| Newborn B | F | Newborn | BM1 | at one week after birth | B1/B2/B3 | |
| Newborn C | F | Newborn | FM1 | C1/C2/C3 | ||
| Newborn D | F | Newborn | FM1 | D1/D2/D3 | ||
| Newborn E | M | Newborn | FM1 | E1/E2/E3 | ||
| Newborn F | F | Newborn | FM1 | F1/F2/F3 | ||
| Newborn G | M | Newborn | FM1 | Single sample collected | G3 | |
| Newborn H | M | Newborn | FM1 | at one week after birth | H3 | |
| Newborn I | M | Newborn | FM1 | I3 | ||
| Infant J | F | 3 weeks | BM2 | Three samples collected | JE1/2/3 | Illumina (MiSeq) |
| Infant K | F | 3 weeks | BM2 | at one-month intervals | JY1/2/3 | |
| Toddler L | M | 5 months | FM2 | WJ1/2/3 | ||
| Toddler M | M | 6 months | BM2→WF | DH1/2/3b | ||
| Toddler N | F | 10 months | WF | MS1/2/3 | ||
| Toddler O | M | 12 months | WF | RW1/2/3 | ||
| Toddler P | F | 17 months | SF | EB1/2/3 | ||
| Child Q | M | 3 years | WF→SF | JH1b /2/3 | ||
| Child R | F | 5 years | SF | MC1/2/3 |
a
BM1, breast milk–fed infant (up to one week old); FM1, formula milk–fed infant (up to one week old); BM2, breast milk–fed infant (older than one week); FM2, formula milk–fed toddler (older than five months); WF, weaning food–fed toddler; SF, solid food–fed child.
b
DH3 was sampled at the time at which the diet changed from BM2 to WF, while JH1 was sampled during WF feeding.