For the CBS-specific background model, we limited the model and search space to CBS regions and their 5 bp flanking DNA.\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${\mathrm{glm}}\left( {{y}_{{\mathrm{CBS}}}\sim {\mathrm{rep}} + {\mathrm{subtype}} + {\mathrm{boundary}} + {\mathrm{sequence}} + {\mathrm{pid}} }\right.\\ \left.{+ {\mathrm{mutsig}}1 + {\mathrm{mutsig}}17,{\mathrm{family}} = {\mathrm{logit}}} \right)$$\end{document}glmyCBS~rep+subtype+boundary+sequence+pid+mutsig1+mutsig17,family=logit