Long, E., Patterson, S., Maxwell, K., Blake, C., Bosó Pérez, R., Lewis, R., McCann, M., Riddell, J., Skivington, K., Wilson-Lowe, R. & Mitchell, K. 2021, 'COVID-19 pandemic and its impact on social relationships and health', Journal of Epidemiology and Community Health. http://dx.doi.org/10.1136/jech-2021-216690