13 September 2019 |
Amended |
Feedback updated with more information from latest tests |
9 September 2019 |
Feedback has been incorporated |
Feedback and authors' response added |
22 July 2019 |
Amended |
In summary of findings tables we corrected the number of plusses for the quality of the evidence to match the very low quality evidence |
20 June 2019 |
New citation required and conclusions have changed |
We included eight new studies of which one is a field study and seven are simulation studies. This extended the evidence to other types of PPE. |
18 June 2019 |
New search has been performed |
Updated the databases:PubMed up to 15 July 2018, CENTRAL up to 18 June 2019, Scopus 18 June 2019, CINAHL 31 July 2018 and OSH‐Update up to 31 December 2018 |