title: Comment on "Determination of the Nitrogen Vacancy as a Shallow Compensating Center in GaN Doped with Divalent Metals".
authors.affiliation: Department of Physics, Virginia Commonwealth University, Richmond, Virginia 23284, USA.
authors.forename: D O
authors.initials: DO
authors.lastname: Demchenko
authors.affiliation: Department of Physics, Virginia Commonwealth University, Richmond, Virginia 23284, USA.
authors.forename: M A
authors.initials: MA
authors.lastname: Reshchikov