2
Published 2015
The National Academies Press

3
Published 2012
National Clinical Guideline Centre at The Royal College of Physicians

4
by Mack, Alison
Published 2016
National Academies Press

5
by Cella, David F.
Published 2015
RTI Press

7
by Quiñones, Ana R.
Published 2011
Department of Veterans Affairs, Health Services Research & Development Service

9
by Hardy, Mary L.
Published 2002
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Healthcare Research and Quality

12
by Jones, W. Schuyler
Published 2013
Agency for Healthcare Research and Quality

17
Published 2021
World Health Organization

18
by Anderson, Johanna, Young, Sarah, Helfand, Mark
Published 2021
U.S. Department of Veterans Affairs, Veterans Health Administration, Health Services Research & Development Office