citHeader("To cite ggtree in publications use:")

citEntry(
    entry  = "article",
    title  = "ggtree: an R package for visualization and annotation of phylogenetic trees with their covariates and other associated data.",
    author = personList(
        as.person("Guangchuang Yu"),
        as.person("David Smith"),
        as.person("Huachen Zhu"),
        as.person("Yi Guan"),
        as.person("Tommy Tsan-Yuk Lam")
        ),
    year    = "2017",
    journal = "Methods in Ecology and Evolution",
    volume  = "8",
    issue   = "1",
    number  = "",
    pages   = "28-36",
    doi     = "10.1111/2041-210X.12628",
    PMID    = "",
    url     = "http://onlinelibrary.wiley.com/doi/10.1111/2041-210X.12628/abstract", 
    textVersion = paste("Guangchuang Yu, David Smith, Huachen Zhu, Yi Guan, Tommy Tsan-Yuk Lam.",
        "ggtree: an R package for visualization and annotation of phylogenetic trees with their covariates and other associated data.",
        "Methods in Ecology and Evolution 2017, 8(1):28-36")
)

citEntry(
    entry  = "article",
    title  = "Two methods for mapping and visualizing associated data on phylogeny using ggtree.",
    author = personList(
        as.person("Guangchuang Yu"),
        as.person("Tommy Tsan-Yuk Lam"),
        as.person("Huachen Zhu"),
        as.person("Yi Guan")
    ),
    year    = "2018",
    journal = "Molecular Biology and Evolution",
    volume  = "35",
    issue   = "2",
    number  = "",
    pages   = "3041-3043",
    doi     = "10.1093/molbev/msy194",
    PMID    = "",
    url     = "https://doi.org/10.1093/molbev/msy194",
    textVersion = paste("Guangchuang Yu, Tommy Tsan-Yuk Lam, Huachen Zhu, Yi Guan.",
                        "Two methods for mapping and visualizing associated data on phylogeny using ggtree.",
                        "Molecular Biology and Evolution 2018, 35(2):3041-3043. doi: 10.1093/molbev/msy194")
)