Within-study relatedness was estimated using the IBS function in PLINK 1.969. From each pair with relatedness \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\hat \pi$$\end{document}π^ > 0.2, one individual was removed from further analysis, retaining cases where possible.
