Cools, Piet
van de Wijgert, Janneke H. H. M. http://orcid.org/0000-0003-2728-4560
Jespers, Vicky
Crucitti, Tania
Sanders, Eduard J.
Verstraelen, Hans http://orcid.org/0000-0002-4070-1587
Vaneechoutte, Mario
Article History
Received: 8 March 2017
Accepted: 20 September 2017
First Online: 23 October 2017
Competing Interests
: The authors declare that they have no competing interests.