Vanderstraeten, Jacques http://orcid.org/0000-0001-5736-1083
Gailly, Philippe http://orcid.org/0000-0002-9259-3813
Malkemper, E. Pascal http://orcid.org/0000-0003-1099-0119
Article History
Received: 21 August 2019
Revised: 8 January 2020
Accepted: 14 January 2020
First Online: 25 January 2020
Compliance with ethical standards
:
: The authors declare there is no conflict of interest regarding the publication of this article.