van der Weijden, F. N. http://orcid.org/0000-0002-7078-8142
Kuitert, R. B. http://orcid.org/0000-0002-1173-2763
Lobbezoo, F. http://orcid.org/0000-0001-9877-7640
Valkenburg, C. http://orcid.org/0000-0002-6656-6934
van der Weijden, G. A. http://orcid.org/0000-0002-5075-8384
Slot, D. E. http://orcid.org/0000-0001-7234-0037
Funding for this research was provided by:
Vrije Universiteit Amsterdam
Article History
Received: 6 January 2019
Accepted: 21 January 2020
First Online: 7 May 2020
Conflict of interest
: F.N. van der Weijden, R.B. Kuitert, F. Lobbezoo, C. Valkenburg, G.A. van der Weijden and D.E. Slot declare that they have no competing interests.