Burssens, A. http://orcid.org/0000-0002-8602-100X
,
Peeters, J.
Peiffer, M.
Marien, R.
Lenaerts, T.
Vandeputte, G.
Victor, J.
Article History
Received: 4 December 2017
Accepted: 28 February 2018
First Online: 9 March 2018
Compliance with ethical standards
:
: The authors declare no conflict of interest or acceptance of external funding.
: All procedures performed in this study were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. For this type of study formal consent was not required.