title: In reply:
authors.affiliation: Department of Oral and Maxillofacial Surgery/Oral Pathology, ACTA/Academisch Zickenhuis Vrije Universiteit, Amsterdam, The Netherlands.
authors.lastname: van Der Meij EH
authors.initials: KP
authors.lastname: Schepman
authors.initials: LE
authors.lastname: Smeele
authors.lastname: van Der Wal JE
authors.lastname: van Der Waal I
authors.initials: PD
authors.lastname: Bezemer