Arnold, J. R., Yeo, J. L., Budgeon, C. A., Shergill, S., England, R., Shiwani, H., Artico, J., Moon, J. C., Gorecka, M., Roditi, G., Morrow, A., Mangion, K., Shanmuganathan, M., Miller, C. A., Chiribiri, A., Alzahir, M., Ramirez, S., Lin, A., Swoboda, P. P., McDiarmid, A. K., Sykes, R., Singh, T., Bucciarelli-Ducci, C., Dawson, D., Fontana, M., Manisty, C., Treibel, T. A., Levelt, E., Young, R., McConnachie, A., Neubauer, S., Piechnik, S. K., Davies, R. H., Ferreira, V. M., Dweck, M. R., Berry, C., McCann, G. P., Greenwood, J. P., Oxford Acute Myocardial Infarction OxAMI Study Investigators, COVID-HEART investigators