Link to the paper itself [1]. There is a list of secondary analysis in the paper that answer some of the concerns raised in other comments. [1] https://www.bm

Link to the paper itself [1]. There is a list of secondary analysis in the paper that answer some of the concerns raised in other comments. [1] https://www.bmj.com/content/371/bmj.m4381 https://www.bmj.com/content/371/bmj.m4381