De Potter, Bruno
Huyskens, Jef
Hiddinga, Birgitta
Spinhoven, Maarten
Janssens, Annelies
van Meerbeeck, Jan P.
Parizel, Paul M.
Snoeckx, Annemie
Article History
Received: 4 October 2017
Revised: 31 January 2018
Accepted: 5 February 2018
First Online: 11 April 2018
Compliance with ethical standards
:
: All the authors declare that they have no conflict of interest.
: The material in the manuscript has been acquired according to modern ethical standards.