.onAttach <- function(libname, pkgname) {
  packageStartupMessage("Thank you for using marlod.
  Please cite:
  Chen, IC. marlod: an R package to model environmental exposure and biomonitoring
  data with repeated measurements and values below the limit of detection.
  J Expo Sci Environ Epidemiol 35, 630-631 (2025).
  when publishing results obtained from the package.")
}
