de Zwart, A. H.
van der Leeden, M. http://orcid.org/0000-0001-6465-0983
Roorda, L. D. http://orcid.org/0000-0001-9348-5390
Visser, M. http://orcid.org/0000-0002-1084-9011
van der Esch, M. http://orcid.org/0000-0002-0485-8560
Lems, W. F. http://orcid.org/0000-0002-6885-3953
Dekker, J. http://orcid.org/0000-0003-2027-0027
Article History
Received: 10 October 2018
Accepted: 4 December 2018
First Online: 2 January 2019
Compliance with ethical standards
:
: AH de Zwart declares that he has no conflict of interest, M van der Leeden declares that she has no conflict of interest, LD Roorda declares that he has no conflict of interest, M Visser declares that she has no conflict of interest, M van der Esch declares that he has no conflict of interest, WF Lems declares that he has no conflict of interest, J Dekker declares that he has no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.