Table 2. Information sources: Guideline repositories.

Guideline repositories	Website
Canadian Agency for Drugs and Technology in Health (CADTH)	www.cadth.ca
Guidelines International Network (GIN)	http://www.g-i-n.net/library/international-guidelines-library
Institute for Clinical Systems Improvement (ICSI)	www.icsi.org/guidelines
Lenus: The Irish Health Repository	https://www.lenus.ie/hse/
National Institute for Health and Care Excellence (NICE)	www.nice.org.uk
Scottish Intercollegiate Guidelines Network (SIGN)	http://www.sign.ac.uk/index.html
TRIP database	https://www.tripdatabase.com
World Health Organisation	https://www.who.int/publications/guidelines/en/