Mateizel, Ileana http://orcid.org/0000-0001-5262-4948
Verheyen, Greta
Van de Velde, Hilde
Tournaye, Herman
Belva, Florence
Article History
Received: 20 December 2017
Accepted: 18 January 2018
First Online: 1 February 2018
Compliance with ethical standards
: No additional informed consent was required. The study was approved by the Ethical Committee of the UZ Brussel (B.U.N. 143201732431).
: The authors declare that they have no conflict of interest.