1 Erratum to: Drug Saf DOI 10.1007/s40264-015-0371-z

The affiliation of the first author, Rose I. Okonkwo, was incorrectly stated as “Department of Child Health, University of Benin Teaching Hospital, P.M.B. 1111, Benin City, Edo State, Nigeria” in the published version. The correct affiliation should read “Principal Health Consulting Limited, Benin City, Edo State, Nigeria”.