Perdaens, Océane http://orcid.org/0000-0002-5534-4463
Koerts, Guus
Nassogne, Marie-Cécile http://orcid.org/0000-0001-6936-1611
Article History
Received: 11 April 2017
Accepted: 22 January 2018
First Online: 12 February 2018
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: The trial protocol was approved by the ethical committee of the university and the study complied with its recommendations. Owing to its retrospective nature.
: For this type of study, formal consent is not required.