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| Publication | Reason for exclusion |
|---|---|
| Adami et al,49 1984 | Overlap of data with Ji et al,9 2016 |
| Jacobs et al,53 1992 | Overlap of data with Jacobs et al,52 1987 |
| Malmer et al,56 2000 | Overlap of data with Ji et al,9 2016 |
| Maiuri et al,43 2002 | Reporting bias |
| Milano et al,54 2014 | Overlap of data with Lopez-Rivera et al,8 2020 |
