Table 2. Samples collection map over time.
| Patient IDEE | U0 | U1 | U2 | U3 | U4 |
|---|---|---|---|---|---|
| 001 | Y | Y | Y | Y | Y |
| 002 | Y | Y | Y | Y | Y |
| 003 | Not available | Y | Y | Y | Insufficient |
| 004 | Y | Y | Y | Death | Not available |
| 005 | Y | Y | Y | Y | Y |
| 006 | Y | Y | Y | Insufficient | Missed |
| 007 | Y | Y | Missed | Y | Insufficient |
| 008 | Y | Y | Y | Insufficient | Not available |
| 009 | Y | Y | Missed | Y | Insufficient |
| 010 | Y | Y | Y | Death | Not available |
| 011 | Y | Y | Y | Missed | Y |
| 012 | Y | Y | Y | Death | Not available |
U0, U1, U2, U3, U4, urine samples collected at T0 (birth), T1 (48 h after birth), T2 (72 h after birth), T3 (1 week after birth), and T4 (1 month after birth), respectively; Y, available, eligible sample.