rstan (>= 2.17.3), rstantools (>= 1.5.0), caroline, gtools,
foreach, parallel, doParallel
rstan (>= 2.18.1), rstantools (>= 1.5.0), caroline, gtools,
foreach, parallel, doParallel
rstan (>= 2.26.0), rstantools (>= 1.5.0), caroline, gtools,
foreach, parallel, doParallel