Fig. 1
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12889-021-10991-7/MediaObjects/12889_2021_10991_Fig1_HTML.png)
A flow diagram showing the derivation of the cohort used in this study and the sources for identification of cases for each outcome
A flow diagram showing the derivation of the cohort used in this study and the sources for identification of cases for each outcome