Kustermans, L.
Mommaerts, Maurice Y.
Article History
Received: 4 June 2017
Accepted: 23 August 2017
First Online: 1 September 2017
Compliance with ethical standards
:
: The authors declare that they have 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.Technical note with retrospective study; ethical approval not required.Informed consent was obtained from all individual participants included in the study.