Kelderman, Tim http://orcid.org/0000-0003-4380-0721
Vanschoenbeek, Giel
Crombez, Erwin
Paemeleire, Koen
Article History
Received: 12 March 2019
Accepted: 20 August 2019
First Online: 3 September 2019
Compliance with ethical standards
:
: The authors report no conflict of interest regarding this work.
: This study was approved by our institutional ethical review board and was in accordance with the ethical standards and with the 1964 Helsinki declaration and its later amendments.
: For this retrospective study formal consent is not required.