Ackerman, T. http://orcid.org/0000-0003-2575-627X
Geerts, A.
Van Vlierberghe, H.
De Backer, J.
François, K.
Article History
Received: 30 November 2017
Accepted: 5 July 2018
First Online: 21 July 2018
Compliance with Ethical Standards
:
: All authors declare that he/she has no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.