HI would like to know how to show sigma2 and gamma with b using estout command.

Usually, after estimation, we use the following command:
estout, cells("b(star label(Coef.)) se(label(Std. err.))"). However, sigma2 and gamma are not appeared when you estimate by the maximum likelihood method, nevertheless they are important in ML results. Please tell me how to show sigma2 and gamma by estout command.