                        Changes in version 1.0.2                        

This version of the package now uses PDF for vignettes, to try and avoid
some problems with rendering mathematical notation and bibliographies.

                        Changes in version 0.0.2                        

The manuscript corresponding to this package is available at
https://www.medrxiv.org/content/10.1101/2024.02.13.24302753v1 and will
be published in PLoS Digital Health.

This version of the package now uses ggplot2 to draw several figures,
using a more conventional style than the previous version.
