Here is a comment from the authors about residual confounding: https://archinte.jamanetwork.com/article.aspx?articleID=2428897 https://archinte.jamanetwork.com/

Here is a comment from the authors about residual confounding: https://archinte.jamanetwork.com/article.aspx?articleID=2428897 https://archinte.jamanetwork.com/article.aspx?articleID=2428...