1
Published 2012
The British Psychological Society and The Royal College of Psychiatrists

2
Published 2010
National Institute for Health and Clinical Excellence (NICE)

4
Published 2011
National Clinical Guideline Centre at the Royal College of Physicians

5
Published 2020
National Institute for Health and Care Excellence (UK)

6
Published 2008
National Institute for Health and Clinical Excellence

8
Published 2008
Royal College of Nursing

9
Published 2012
National Clinical Guideline Centre at The Royal College of Physicians

10
Published 2012
National Clinical Guideline Centre at the Royal College of Physicians

11
Published 2015
National Institute for Health and Care Excellence

12
Published 2002
National Institute for Health and Clinical Excellence (NICE)

13
Published 2011
National Institute for Health and Clinical Excellence (NICE)

14
Published 2007
National Institute for Health and Clinical Excellence (NICE)

16
Published 2006
National Institute for Health and Clinical Excellence (NICE)

17
Published 2010
National Institute for Health and Clinical Excellence (NICE)

20
Published 2011
British Psychological Society