“…To summarise, 11 studies were conducted in the United States (50%) (Baggett et al, ; Biederman et al, , ; Corrigan et al, ; Gültekin et al, ; Kertesz et al, ; Kryda & Compton, ; Martins, ; Nickasch & Marnocha, ; Robbins et al, ; Zur & Jones, ), five in Canada (23%) (Bungay, ; Hwang et al, ; McLeod & Walsh, ; Voronka et al, ; Whelan et al, ), two in the Netherlands (9%) (Asmoredjo et al, ; van Laere et al, ), two in the United Kingdom (9%) (Jenkins & Parylo, ; Rae & Rees, ), one in Bangladesh (4.5%) (Uddin et al, ) and one in France (4.5%) (Vuillermoz et al, ). The population foci in 12 studies (55%) were persons experiencing homelessness in general (Asmoredjo et al, ; Baggett et al, ; Biederman et al, ; Hwang et al, ; Kertesz et al, ; Kryda & Compton, ; van Laere et al, ; Martins, ; Nickasch & Marnocha, ; Rae & Rees, ; Uddin et al, ; Voronka et al, ), whereas foci in three studies, respectively, were family homelessness (14%) (Gültekin et al, ; Jenkins & Parylo, ; Vuillermoz et al, ) and homelessness among women (14%) (Biederman et al, ; Bungay, ; McLeod & Walsh, ). Other population foci (17%) were: African Americans with mental illness experiencing homelessness (Corrigan et al, ), injection drug users experiencing homelessness (Robbins et al, ), persons visiting a mobile health unit experiencing homelessness (Whelan et al, ) and persons visiting federally qualified health centres in the USA experiencing homelessness (Zur & Jones, ).…”