c(person(given = "John W.", family = "Jackson",
    email = "john.jackson@jhu.edu", role = c("aut", "cre")),
    person(given = "Erin", family = "Schnellinger",
    role = c("ctb")),
    person(given = "Linda", family = "Valeri",
    role = c("ctb"))
    )
