fixed footnote symbols for \thanks

paper_template/text.tex

@@ -32,6 +32,13 @@
 \hypersetup{colorlinks=true, linkcolor=Black, citecolor=Black, filecolor=Blue,
     urlcolor=Blue, unicode=true}
 
+% list of footnote symbols for \thanks{}
+\makeatletter
+\renewcommand*{\@fnsymbol}[1]{\ensuremath{\ifcase#1\or *\or \dagger\or \ddagger\or
+ \mathsection\or \mathparagraph\or \|\or **\or \dagger\dagger
+  \or \ddagger\ddagger \else\@ctrerr\fi}}
+\makeatother
+
 % add bibliographic stuff 
 \usepackage[american]{babel}
 \usepackage{csquotes}