title: Respond to the letter of McIsaac (2015).
authors.affiliation: Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and VU University Amsterdam, Amsterdam, Netherlands.
authors.forename: N L
authors.identifier: http://orcid.org/0000-0002-6740-5657
authors.initials: NL
authors.lastname: Hennequin-Hoenderdos
authors.affiliation: Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and VU University Amsterdam, Amsterdam, Netherlands. d.slot@acta.nl.
authors.forename: D E
authors.initials: DE
authors.lastname: Slot
authors.affiliation: Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and VU University Amsterdam, Amsterdam, Netherlands.
authors.forename: G A
authors.initials: GA
authors.lastname: Van der Weijden