Additional file 1 of The effect of glucocorticoid therapy on mortality in patients with rheumatoid arthritis and concomitant type II diabetes: a retrospective cohort study CostelloRuth MarsdenAntonia MovahediMohammad LuntMark HumphreysJenny EmsleyRichard DixonWilliam 2020 Additional file 1. Codelists for disease and drug definition.