Kath Wright1, Su Golder2, Kate Lewis-Light3. 1. Centre for Reviews & Dissemination, University of York, York, UK. kath.wright@york.ac.uk. 2. Department of Health Sciences, University of York, York, UK. su.golder@york.ac.uk. 3. Centre for Reviews & Dissemination, University of York, York, UK. katelewislight@gmail.com.
After publication of [1] it came to the authors’ attention that three percentage (%) symbols were missed upon publication of their manuscript. The incorrect statement present in the Abstract and Results is “The median number of unique studies was 9.09; while the range had a lowest value of 5.0 to the highest value of 33.0”. The correct statement is “The median % of unique studies was 9.09%; while the range had a lowest value of 5.0% to the highest value of 33.0%”. This has been updated in the original article.