Versteeg, Marjolein http://orcid.org/0000-0003-0252-6025
van Blankenstein, Floris M.
Putter, Hein
Steendijk, Paul
Article History
Received: 22 February 2018
Accepted: 11 October 2018
First Online: 20 October 2018
Compliance with ethical standards
:
: All authors declare that they have no conflicts of interest.
: LUMC institutional scientific committee on educational research.