Guidance

This guidance has been updated and replaced.

Recommendations 1.1 and 1.2 of this guidance have been updated and replaced by recommendations 1.3.4 to 1.3.8 in NICE guideline CG94 (published in March 2010).

Recommendation 1.3 has been updated and replaced by recommendation 1.3.18 in NICE guideline CG172 (published in November 2013).