title: Erratum to: The effectiveness of substitution of hospital ward care from medical doctors to physician assistants: a study protocol.
authors.affiliation: Radboud University Medical Center, Radboud Institute for Health Sciences, Scientific Center for Quality of Healthcare (IQ healthcare, Nijmegen, The Netherlands. Marijke.Timmermans@radboudumc.nl.
authors.forename: Marijke J C
authors.initials: MJ
authors.lastname: Timmermans
authors.affiliation: HAN University of Applied Sciences, Faculty of Health and Social Studies, Nijmegen, The Netherlands.
authors.forename: Anneke J A H
authors.initials: AJ
authors.lastname: van Vught
authors.affiliation: Radboud University Medical Center, Radboud Institute for Health Sciences, Scientific Center for Quality of Healthcare (IQ healthcare, Nijmegen, The Netherlands.
authors.forename: Michel
authors.initials: M
authors.lastname: Wensing
authors.affiliation: Radboud University Medical Center, Radboud Institute for Health Sciences, Scientific Center for Quality of Healthcare (IQ healthcare, Nijmegen, The Netherlands.|HAN University of Applied Sciences, Faculty of Health and Social Studies, Nijmegen, The Netherlands.
authors.forename: Miranda G H
authors.initials: MG
authors.lastname: Laurant