The impact of the COVID-19 pandemic on glycaemic control in people with diabetes: A systematic review and meta-analysis by O’Mahoney, LL, Highton, PJ, Kudlek, L, Morgan, J, Lynch, R, Schofield, E, Sreejith, N, Kapur, A, Otunla, A, Kerneis, S, James, O, Rees, K, Curtis, F, Khunti, K, Hartmann-Boyce, J