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| Methods | 8 conference abstracts reporting on follow‐up data and 1 report on the follow‐up of a subgroup of the original trial population of the ACTORDS trial (Crowther 2006). |
| Participants | |
| Interventions | |
| Outcomes | |
| Notes | The review authors will add any data eligible for inclusion when the ACTORDS follow‐up data have been published in full. |
