Cochrane welcomes all comments on its published reviews. Please visit the Cochrane Library and complete the comments form for the specific review. This will ensure that your comments are seen and can be responded to by the correct people as detailed at . The comment form can be opened from the front page of t…
Being a Cochrane author is a lot of work and a long commitment, but if you believe you have the skills and experience, please review the information on our ' Become an author ' page. If you haven't been an author on a Cochrane Review before, please look at some of the ways you can contribute to the work of Cochrane R…