Tibboel, Helen
Liefooghe, Baptist
Article History
Received: 30 April 2018
Accepted: 6 September 2018
First Online: 11 September 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All participants gave their written informed consent.
: The procedure was 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.