The checklist and other supporting materials are freely available on the WHO Safe Surgery Saves Lives site: <a href="http://www.who.int/patientsafety/safesurgery/en/">http://www.who.int/patientsafety/safesurgery/en/</a> The hospital pilot sites: http://www.who.int/patientsafety/safesurgery/pilot_sites/en/index.html