\begin{table}%t2
  \caption{Comparison between the estimated parameters of different
    parametrised mass profiles from the literature.}
  \label{tab:param:comparison}
%\centering
\small
  \begin{tabular}{lccl}
    \hline \hline
    {Reference}  & \multicolumn{1}{c}{$\sigma$}  & \multicolumn{1}{c}{$r_{\rm{c}}$} & {Method} \\
                    & \multicolumn{1}{c}{   km~s$^{-1}$    }  & \multicolumn{1}{c}{  kpc          } &             \\
    \hline
    \citet{cohen:02}   &  910 $\pm$ 130        &    	   & kinematic \\
    \citet{allen:02}   & 1590 $\pm$ 150        &  38 $\pm$ 8   & X-ray     \\
    \citet{kling:05}   & 1400 $^{\rm+130}_{-140}$       &	    & WL        \\
    \citet{fischer:97} & 1500 $\pm$ 160        &    	   & WL        \\
    This work          & 1949 $\pm$ 40         & 117 $\pm$ 12 & SL        \\
    \hline
    {Reference}  & \multicolumn{1}{c}{$c$}  & \multicolumn{1}{c}{$r_{200}$} & {Method} \\
                    & \multicolumn{1}{c}{           }  & \multicolumn{1}{c}{       Mpc     } &             \\
    \hline
    \citet{allen:02} & 5.87 $\pm$ 1.4	   & 1.99 $^{\rm+1.19}_{-0.60}$ & X-ray \\
    \citet{gitti:07} &  3.2 $\pm$ 0.3	   & 2.31 $\pm$ 0.36       & X-ray \\
    \citet{kling:05} &   15 $^{\rm +64}_{-10}$  & 2.64 $^{\rm+0.14}_{-0.57}$ & WL	\\
    This work        &  5.4 $_{\rm-0.5}^{+0.7}$ & 3.29 $\pm$ 0.20       & SL    \\
    \hline
  \end{tabular}
\end{table}