ggplot2 (>= 3.4.0), gridExtra, loo, methods, posterior, Rcpp
(>= 0.12.0), rstan (>= 2.26.0), splines2, tibble
rstantools (>= 2.3.1), knitr, rmarkdown, testthat, SHELF,
flexsurv, flexsurvcure, splines, dplyr, viridis, forcats, fs,
purrr, tidyr, stringr, survminer