Klok-Nentjes, S. http://orcid.org/0000-0001-7078-5315
Tramper-Stranders, G. A.
van Dam-Bakker, E. D. M.
Beldman, J.
Article History
Received: 7 November 2017
Revised: 12 March 2018
Accepted: 6 April 2018
First Online: 1 May 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 national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The ERB provided a waiver because of the non-invasive nature of this questionnaire study.
: The ERB reviewed the study and deemed formal ethical review and written informed consent unnecessary because of absence of risk for participants and anonymous handling of questionnaires.