de Groot, Jeanny J. A. http://orcid.org/0000-0002-0000-4752
Timmermans, Maite
Maessen, José M. C.
Winkens, Bjorn
Dirksen, Carmen D.
Slangen, Brigitte F. M.
van der Weijden, Trudy
Funding for this research was provided by:
ZonMw (837003002)
Article History
Received: 15 February 2018
Accepted: 19 December 2018
First Online: 29 December 2018
Ethics approval and consent to participate
: Since the study had an observational design and patient information was obtained anonymously, the Medical Ethical Committee of the Maastricht University exempted the study from further ethics review and informed consent (METC 14–5-083).
: Not applicable.
: The authors declare that they have no competing interests.
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