| Date | Event | Description |
|---|---|---|
| 13 July 2017 | New citation required but conclusions have not changed | Brief economic commentary (BEC) added. Economics‐related sections revised. |
| 13 July 2017 | Amended | Brief economic commentary (BEC) added. Economics‐related sections revised: the Abstract, Plain language summary, Background, Methods (outcomes, search methods), and Discussion were amended. Appendix added with details of search strategies for BECs. |
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