ten Haaf, D. S. M. https://orcid.org/0000-0001-5095-8688
Balvers, M. G. J. https://orcid.org/0000-0003-4308-3160
Timmers, S. https://orcid.org/0000-0003-2852-5274
Eijsvogels, T. M. H. https://orcid.org/0000-0003-0747-4471
Hopman, M. T. E. https://orcid.org/0000-0001-9504-5452
Klein Gunnewiek, J. M. T.
Article History
Received: 29 June 2018
Accepted: 29 October 2018
First Online: 6 December 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study adhered to the Declaration of Helsinki. The Medical Ethical Committee of the Radboud University Medical Center approved the study (study-id: NL36743.091.11), and all participants gave written informed consent prior to participation.