1
Published 2013
British Psychological Society

2
Published 2016
National Clinical Guideline Centre

4
Published 2016
National Institute for Health and Care Excellence

5
Published 2013
National Institute for Health and Care Excellence

6
Published 2016
National Institute for Health and Care Excellence

9
Published 2015
National Institute for Health and Care Excellence (NICE)

10
Published 2013
National Institute for Health and Care Excellence

11
Published 2014
National Institute for Health and Care Excellence

12
Published 2019
National Institute for Health and Care Excellence (UK)

13
Published 2015
National Institute for Health and Care Excellence

14
Published 2013
National Institute for Health and Care Excellence

15
Published 2015
National Institute for Health and Care Excellence

16
Published 2012
Published by the National Clinical Guideline Centre at The Royal College of Physicians

17
Published 2013
Royal College of Obstetricians and Gynaecologists

18
Published 2020
National Institute for Health and Care Excellence (NICE)

19
Published 2017
National Institute for Health and Care Excellence

20
Published 2015
National Clinical Guideline Centre