Nine trials had a post-intervention follow-up period (range from one to 18 months from baseline). Full intervention descriptions provided by the trial reports are in Additional file 7 (Word document: Detailed intervention descriptions).
Nine trialshad a post-intervention follow-up period (range from oneto 18 months from baseline). Full intervention descriptionsprovided by the trial reports are in Additional file 7(Word document: Detailed intervention descriptions).