citHeader("To cite package gscounts in publications use")

citEntry(entry = "Manual",
         title = "{gscounts}: Group Sequential Designs with Negative Binomial Outcomes",
         author = personList(as.person("Tobias M{\\\"u}tze")),
         year = "2018",
         note = "R package version 0.1-2",
         url = "https://CRAN.R-project.org/package=gscounts",
         textVersion = "Tobias Mütze (2018). gscounts: Group Sequential Designs with Negative Binomial Outcomes. R package version 0.1-1. URL https://CRAN.R-project.org/package=gscounts")
         
         
citEntry(entry="Article",
         title = "Group sequential designs for negative binomial outcomes",
         author = personList(as.person("Tobias M{\\\"u}tze"),
                             as.person("Ekkehard Glimm"),
                             as.person("Heinz Schmidli"),
                             as.person("Tim Friede")),
         journal = "Statistical Methods in Medical Research",
         year = "2018",
         publisher = "Sage Publishing",
         textVersion = "Tobias Mütze, Ekkehard Glimm, Heinz Schmidli, Tim Friede (2018). Group sequential designs for negative binomial outcomes. Statistical Methods in Medical Research. https://doi.org/10.1177%2F0962280218773115."
)