Maintainer: ‘Michael B. Sohn <msohn@mail.med.upenn.edu>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = c("Michael", "B."),
                    family = "Sohn",
                    role = c("aut", "cre"),
                    email = "msohn@mail.med.upenn.edu")
as necessary.
Maintainer: ‘Michael B. Sohn <msohn@mail.med.upenn.edu>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = c("Michael", "B."),
                    family = "Sohn",
                    role = c("aut", "cre"),
                    email = "msohn@mail.med.upenn.edu")
as necessary.