Bakolis, I, Stewart, R, Baldwin, D S, Beenstock, J, Bibby, P, Broadbent, M, Cardinal, R, Chen, S, Chinnasamy, K, Cipriani, A, Douglas, S, Horner, P, Jackson, C A, John, A, Joyce, D W, Lee, S C, Lewis, J, McIntosh, A M, Nixon, N, Osborn, D PJ, Phiri, P, Rathod, S, Smith, T, Sokal, R, Waller, R M & Landau, S 2021, ' Changes in daily mental health service use and mortality at the commencement and lifting of COVID-19 ‘lockdown’ policy in ten UK sites: a regression discontinuity in time design ', BMJ Open . https://doi.org/10.1136/bmjopen-2021-049721