Blonk, L.
Civil, Y. A.
Kaufmann, R.
Ket, J. C. F.
van der Velde, S. http://orcid.org/0000-0003-0356-551X
Article History
Received: 7 June 2019
Accepted: 18 July 2019
First Online: 17 August 2019
Compliance with ethical standards
:
: L. Blonk, Y.A. Civil, R. Kaufmann, J.C.F. Ket and S. van der Velde declare that they have no conflict of interest.
: This study did not require approval from the local ethical committee.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: Formal consent was not required for this study.