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, Validation (Equal), Visualisation (Equal), Writing-original draft (Supporting), Writing-review and editing (Equal), Formal analysis (Lead), Funding acquisition (Supporting), Investigation (Equal), Methodology (Equal), Software (Lead)

. Mv-m, PA: Conceptualisation (Equal), Funding acquisition (Equal), Conceptualisation (Supporting), Funding acquisition (Equal)

, Funding This work was supported by the European Commission through a grant, as part of H2020 research project HOME-EU: Reversing Homelessness in Europe

, Disclaimer The grant agreement between the European Commission and each research unit involved allows complete liberty and autonomy of researchers in the design of the study; the European Commission will take no part in data collection procedures, analyses, interpretation of the data, or decision to submit results. Competing interests None declared

, Provenance and peer review Not commissioned; externally peer reviewed

, Open access This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial

, Sandrine Loubiere

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