Update review template cls file

Journal_review/fmcl_review.cls

@@ -35,7 +35,8 @@
     \vspace{2em}
     By \\
     \textbf{\@authors}\\
-    for \textit{\@journalname}
+    for \textit{\@journalname}\\
+    Manuscript ID: \@manuscriptid
   \end{center}
 
   \setcounter{footnote}{0}%
@@ -45,20 +46,20 @@
   \global\let\@date\@empty
   \global\let\@papertitle\@empty
   \global\let\@journalname\@empty
+  \global\let\@manuscriptid\@empty
   \global\let\papertitle\relax
   \global\let\authors\relax
   \global\let\date\relax
   \global\let\journalname\relax
+  \global\let\manuscriptid\relax
 }
 \renewenvironment{abstract}{
     \vspace{1em}
-    \begin{center}
   }{
-    \end{center}
-    \vspace{1em}
   }
 
 % Define variables
 \def\papertitle#1{\def\@papertitle{#1}}
 \def\authors#1{\def\@authors{#1}}
-\def\journalname#1{\def\@journalname{#1}}
\ No newline at end of file
+\def\journalname#1{\def\@journalname{#1}}
+\def\manuscriptid#1{\def\@manuscriptid{#1}}
\ No newline at end of file