%\usepackage{subfig}
\usepackage{multirow}
\usepackage{array}
-
+\usepackage{picture}
\usepackage[section]{placeins}
\usepackage{float}
+\def\setgrouptext#1{\gdef\grouptext{#1}}
+\newenvironment{groupeditems}{\begin{displaymath}\left.\vbox\bgroup\setgrouptext}{%
+ \egroup\right\rbrace\hbox{\grouptext}\end{displaymath}}
\newcommand*\rot{\rotatebox{90}}
\newcommand*\OK{\ding{51}}