Mommers, E. H. H.
Charbon, J. A.
Article History
Received: 13 November 2017
Accepted: 16 February 2018
First Online: 21 March 2018
Compliance with ethical standards
:
: All other authors declare that they have no conflict of interest.
: All procedures performed in this study were in compliance with the ethical standards of the institution and/or the national research committee and the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Human and/or animal rights were not violated.
: For this type of study formal consent is not required.