Date	Event	Description
1 April 2015	Amended	Contact details updated.
11 February 2015	Amended	Contact details updated.
27 March 2014	Amended	Contact details updated.
19 February 2013	New search has been performed	Review updated to include 15 RCTs.
18 February 2013	New citation required but conclusions have not changed	We found more evidence to show that CSTs may be helpful in improving some HCP outcomes.
6 August 2012	New search has been performed	Out of 119 potentially eligible records identified by the updated searches, we included 12 additional studies (Butow 2008, Gibon 2011, Goelz 2009, Heaven 2006, Kruijver 2001, Razavi 2002, Razavi 2003, Stewart 2007, Lienard 2010, Tulsky 2011, Wilkinson 2008; Fujimori 2011) (33 records) and we identified six records relating to the three previously included studies. Therefore, from the updated search, we included 39 new records relating to 15 studies. We excluded 80 newly identified records (70 studies).
24 February 2012	New search has been performed	Search updated producing 358 records.
9 September 2011	New search has been performed	Search updated producing 411 records including 37 duplicates. Three potentially eligible studies identified .
21 January 2011	New search has been performed	Search updated producing 2,508 records including 43 du plicates .T hirty potentially eligible s tudies/reports identified.
6 May 2008	Amended	Converted to new review format.
7 December 2003	New citation required and conclusions have changed	Substantive amendment