Evidence Review and download supporting evidence. Includes the full guideline if available. Supporting evidence Full guidance Full guideline PDF 3.63 MB 27 September 2017 Appendices A–C: Scope, Stakeholders and Declarations of interest PDF 501.16 KB 27 September 2017 Appendix D: Review protocols PDF 715.06 KB 27 September 2017 Appendices E–I: Search strategies, Summary of identified studies, Evidence tables, Excluded studies, Forest and percentage plots PDF 7.58 MB 27 September 2017 Appendix J: GRADE evidence profiles PDF 801.3 KB 27 September 2017