Bulthuis, Marjolein S.
Jan Jager, Derk H.
Brand, Henk S.
Funding for this research was provided by:
Academic Center for Dentistry Amsterdam
Article History
Received: 11 August 2017
Accepted: 15 February 2018
First Online: 9 March 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study followed the Declaration of Helsinki on medical protocol and ethics and was performed in accordance with the guidelines of the Medical Ethical Committee of the VU University Medical Center. According to the Ethics Review Committee of the VU University Amsterdam, the present study does not fall under the scope of the Medical Research Involving Human Subjects Act (WMO).
: Written informed consent was obtained from all individual participants included in the study.