Add nation to affiliation

spec/spec.tex

@@ -199,10 +199,10 @@ break
 \and Hans-Jörg Schurr\textsuperscript{4}}
 \date{}
 \publishers{
-	\textsuperscript{1} Universidade Federal de Minas Gerais\\
+	\textsuperscript{1} Universidade Federal de Minas Gerais, Brazil\\
 	\textsuperscript{2} Albert-Ludwig-Universität Freiburg, Germany\\
-	\textsuperscript{3} Université de Liège\\
-	\textsuperscript{4} University of Lorraine, CNRS, Inria, and LORIA, Nancy\\
+	\textsuperscript{3} Université de Liège, Belgium\\
+	\textsuperscript{4} University of Lorraine, CNRS, Inria, and LORIA, Nancy, France\\
 }