I am using a panel random effects model with instrumental variables and robust clustered standard errors (xtivreg, re cluster(panel id)). I am trying to using outreg2 to generate the output from a first stage regression of my main outcome, however it appears outreg2 is only producing the second-stage regression. I cannot use xtivreg2 as it specifies either fe or fd, and I am using random effects. Is there a straightforward way to output the first stage regression output in this case?