Costello, R. E., Tazare, J., Herrett, E., Parker, E. P., Zheng, B., Mansfield, K. E., Henderson, A. D., Carreira, H., Bidulka, P., Wong, A. Y., Warren-Gash, C., Eggo, R. M., Tomlinson, L., Langan, S. M., Mathur, R., Piehlmaier, D., MacKenna, B., Mehrkar, A., Piehlmaier, D., Hayes, J. F., Quint, J. K., Katikireddi, S. V., Mathur, R., Chaturvedi, N., Park, C., Carnemolla, A., Williams, D., Knueppel, A., Boyd, A., Turner, E. L., Evans, K. M., Thomas, R., Berman, S., McLachlan, S., Crane, M., Whitehorn, R., Oakley, J., Foster, D., Mitchell, R., Booth, C., Kennedy, J., Wright, J., Yang, T., Shah, S. A., Kopasker, D., Hughes, A., Perez-Reche, F., Smith, R. M., Brown, A. D., Harrison, D., The OpenSAFELY collaborative, LH&W NCS (or CONVALESCENCE) Collaborative