Date	Event	Description
1 December 2008	New citation required but conclusions have not changed	Author list changed
17 October 2008	New citation required but conclusions have not changed	One new author added to the byline of the review. The conclusions of the review have not been substantively amended by the addition of the study by Canino et al
30 August 2008	New search has been performed	Literature searches re‐run; One new study added (Canino 2008).
17 June 2008	Amended	Converted to new review format.
11 December 2007	New citation required and conclusions have changed	Substantive amendment