Table 2 Organisations included in search for grey literature

Alcohol Focus Scotland

https://www.alcohol-focus-scotland.org.uk/

The Salvation Army

https://www.salvationarmy.org.uk/

National Drug and Alcohol Research Centre, Australia

https://ndarc.med.unsw.edu.au/

NHS Health Scotland

http://www.healthscotland.scot/

Alcohol Change UK

https://alcoholchange.org.uk/

National Institute on Drug Abuse, USA

https://www.drugabuse.gov/

Alcohol and Drug Partnerships

https://www2.gov.scot/Topics/Health/Services /Alcohol/treatment/ADPcontactlist

Society for the Study of Addiction

https://www.addiction-ssa.org/

National Institute on Alcohol Abuse and Alcoholism, USA

https://www.niaaa.nih.gov/

Institute for Research and Innovation in Social Services

https://www.iriss.org.uk/

Public Health England

https://www.gov.uk/government/organisations/ public-health-england

Canadian Institute for Substance Use Research, Canada

https://www.uvic.ca/research/centres/cisur/

Scottish Drugs Forum

http://www.sdf.org.uk/

Pathway/Faculty of Homeless and Inclusion Health

https://www.pathway.org.uk/

Centre for Social Research in Health, Australia

https://www.arts.unsw.edu.au/csrh

Scottish Government

https://www.gov.scot/

Addaction

https://www.addaction.org.uk/

Homeless Hub, Canada

https://www.homelesshub.ca/

Scottish Health Action on Alcohol Problems https://www.shaap.org.uk/

Crisis

https://www.crisis.org.uk/

European Observatory on Homelessness

https://www.feantsaresearch.org/

NHS Healthcare Improvement Scotland

http://www.healthcareimprovementscotland.org/

Shelter

https://www.shelter.org.uk/

University of Stirling Online Addictions Library

https://www.onlinelibraryaddictions.stir.ac.uk/

Royal College of Psychiatrists

https://www.rcpsych.ac.uk/

Royal College of Physicians

https://www.rcplondon.ac.uk/

British Psychological Society

https://www.bps.org.uk/

Groundswell

https://groundswell.org.uk/

St Mungo’s

https://www.mungos.org/

Homeless Link

https://www.homeless.org.uk/