The OpenSAFELY Collaborative ., Wood C., Speed V., Fisher L., Curtis H., Schaffer A., Walker A., Croker R., Brown A., Cunningham C., Hulme W., Andrews C., Butler-Cole B., Evans D., Inglesby P., Dillingham I., Bacon SCJ., Davy S., Ward T., Hickman G., Bridges L., O’Dwyer T., Maude S., Smith R., Mehrkar A., Bates C., Cockburn J., Parry J., Hester F., Harper S., Goldacre B., MacKenna B.