1. Detailed Search Strategies.
| Search Set | CIDG SR | CENTRAL | MEDLINE | EMBASE | LILACS |
| 1 | diarrhoea | diarrhoea | diarrhoea | diarrhoea | diarrhoea |
| 2 | diarrhoea | gastroenteritis | gastroenteritis | gastroenteritis | diarrhoea |
| 3 | gastroenteritis | 1 or 2 | 1 or 2 | 1 or 2 | gastroenteritis |
| 4 | 1 or 2 or 3 | Feed* | Feed* | Feed$ | 1 or 2 or 3 |
| 5 | Feed* | Refeed* | Refeed* | Refeed$ | Feeding |
| 6 | Refeed* | Re‐feed* | Re‐feed* | Re‐feed$ | Refeeding |
| 7 | Re‐feed* | Nutrition* | Nutrition* | Nutrition$ | Re‐feeding |
| 8 | 5 or 6 or 7 | 4 or 5 or 6 or 7 | NUTRITIONAL SUPPORT | DIET RESTRICTION | 5 or 6 or 7 |
| 9 | 4 and 8 | 3 AND 8 | TIME FACTORS | FEEDING BEHAVIOUR | 4 AND 8 |
| 10 | 4‐9/OR | 4‐9/OR | |||
| 11 | 3 AND 10 | 3 AND 10 | |||
| 12 | Limit 12 to Human | Limit 12 to Humans | |||
| 13 | |||||
| 14 | |||||
| 15 | |||||
| Cochrane Infectious Diseases Group Specialized register | Search terms used in combination with the search strategy for retrieving trials developed by The Cochrane Collaboration (Higgins); Upper case: MeSH or EMTREE heading; Lower Case: free text term | ||||