Merlijn, T.
Swart, K. M. A.
Lips, P.
Heymans, M. W.
Sohl, E.
Van Schoor, N. M.
Netelenbos, C. J.
Elders, P. J. M.
Funding for this research was provided by:
Stichting Achmea Gezondheidszorg
Achmea
VGZ zorgverzekering
Article History
Received: 20 July 2017
Accepted: 24 January 2018
First Online: 28 May 2018
Compliance with Ethical Standards
: Informed consent was obtained from all individual participants and the study was approved by the Dutch Health Council (OGZ 2.978.265).
: The authors declare that they have 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.