Correction: <i>Descriptive, cross-country analysis of the nurse practitioner workforce in six countries: size, growth, physician substitution potential</i>
Crossref DOI link: https://doi.org/10.1136/bmjopen-2016-011901corr1
Published Online: 2016-09-26
Published Print: 2016-09
Update policy: https://doi.org/10.1136/crossmarkpolicy
