Toornstra, A.
Hurks, P. P. M.
Van der Elst, W.
Massar, K.
Kok, G.
Curfs, L. M. G.
Funding for this research was provided by:
Maastricht University
Article History
Received: 27 February 2020
Revised: 27 February 2020
Accepted: 16 March 2020
First Online: 26 April 2020
Compliance with Ethical Standards
: The research ethics committee of the Faculty of Psychology and Neuroscience of Maastricht University, The Netherlands, approved this study. All data were obtained in compliance with ethics regulations of the WMA declaration of Helsinki (2013).