Date	Event	Description
18 February 2015	New search has been performed	Second update, new search, three trials added (Kaur 2012; Khandelwal 2013; Ma 2013). We created a "mixed ulcers group" including trials with patients suffered from diabetic and venous ulcers. "Risk of bias assessment" and "Summary of findings" table completed.
18 February 2015	New citation required but conclusions have not changed	New author added to review team.
12 January 2012	New search has been performed	First update, new search, four trials added (Duzgun 2008; Kessler 2003; Londahl 2010; Wang 2011). 'Risk of bias' assessment and 'Summary of findings' table completed.
12 January 2012	New citation required and conclusions have changed	New author added to review team.
7 November 2008	Amended	Converted to new review format.
14 October 2003	New citation required and conclusions have changed	Substantive amendment.