Abbasizanjani, H., Torabi, F., Bedston, S., Bolton, T., Davies, G., Denaxas, S., Griffiths, R., Herbert, L., Hollings, S., Keene, S., Khunti, K., Lowthian, E., Lyons, J., Mizani, M., Nolan, J., Sudlow, C., Walker, V., Whiteley, W., Wood, A., Akbari, A. & CVD-COVID-UK/COVID-IMPACT Consortium 2023, 'Harmonising electronic health records for reproducible research: challenges, solutions and recommendations from a UK-wide COVID-19 research collaboration', BMC Medical Informatics and Decision Making, 23, article no: 8. https://doi.org/10.1186/s12911-022-02093-0