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Search strategy in PubMed.
| BLOCK 1 | AND | BLOCK 2 | AND | BLOCK 3 | NOT | BLOCK 4 |
| Pregnancy | Food | Epigenome | Animals | |||
| Mothers | Diet | Epigenomics | ||||
| Infant | Nutrients | MicroRNAs | ||||
| Paternity | Exercise | DNA methylation | ||||
| neonatal | Nutrient | Epigenom* | ||||
| maternal | Nutrition | microRNA* | ||||
| maternit* | diet | |||||
| paternit* | Physical activity | |||||
| paternal* | ||||||
| preconception | ||||||
| Periconception | ||||||
| offspring |
The search words within the columns were combined with “OR”, and across the columns the words were combined with “AND” and “NOT”.
