% To create the figure included in this appendix, we wrap |ac2aNoThresholdsColor.tex| in the following LaTeX document.

\documentclass{article}

\usepackage[margin=0in,paperwidth=6in,paperheight=5in]{geometry}
\usepackage{amsthm,amsfonts,amsopn,amsmath,natbib}
\usepackage{pgf,pgfplots,tikz,pgfkeys}
\usepackage{versions}

% Choose whether to typeset figures in color or black and white.
\excludeversion{grayfig}
\includeversion{colorfig}


 \usetikzlibrary{arrows,calc,fit,matrix,positioning,shapes.multipart,shapes.symbols}

\begin{document}
\input{equilibriumWithoutThresholdsConstants}
\thispagestyle{empty}
\begin{center}
\begin{tikzpicture}[scale=1] % It would be great to increase this scale, but there seems to be an error with its implementation vis-a-vis the |axis| coordinate system provided by |pgfplots|.

\input{ac2aNoThresholdsColor}
\end{tikzpicture}
\end{center}
\end{document}