Tonnon, Susanne C. http://orcid.org/0000-0002-0595-4351
Robroek, Suzan R. J.
van der Beek, Allard J.
Burdorf, Alex
van der Ploeg, Hidde P.
Caspers, Margo
Proper, Karin I.
Funding for this research was provided by:
ZonMw (531005004)
Article History
Received: 17 March 2018
Accepted: 12 March 2019
First Online: 2 April 2019
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. For this type of study formal consent is not required.
: Respondents gave consent to use their data for scientific purposes upon completion of the periodic medical examination questionnaire.