Kuiper, Heleen
van Leeuwen, Christel C. M.
Stolwijk-Swüste, Janneke M.
Post, Marcel W. M.
Article History
Received: 23 October 2018
Revised: 20 December 2018
Accepted: 20 December 2018
First Online: 22 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: We certify that all applicable institutional and governmental regulations concerning the ethical use of human volunteers were followed during the course of this research.