| AGE | acute gastroenteritis |
| CIDs | common infectious diseases |
| FPs | family pediatricians |
| HBD-2 | β-defensin |
| HNP 1-3 | α-defensin |
| LL-37 | cathelicidin |
| sIgA | secretory immunoglobulin |
| URTI | upper respiratory tract infections |
| AGE | acute gastroenteritis |
| CIDs | common infectious diseases |
| FPs | family pediatricians |
| HBD-2 | β-defensin |
| HNP 1-3 | α-defensin |
| LL-37 | cathelicidin |
| sIgA | secretory immunoglobulin |
| URTI | upper respiratory tract infections |