Kerkhof, M. http://orcid.org/0000-0002-1875-9387
Ganeff, I.
Wiggenraad, R. G. J.
Lycklama à Nijeholt, G. J.
Hammer, S.
Taphoorn, M. J. B.
Dirven, L.
Vos, M. J.
Article History
Received: 18 September 2017
Accepted: 25 January 2018
First Online: 1 February 2018
Compliance with ethical standards
:
: 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.
: Informed consent was obtained from all individual participants included in the study.