Marck, Klaas W. http://orcid.org/0000-0002-0847-1259
van Wingerden, Jan J.
Article History
Received: 6 September 2018
Accepted: 22 October 2018
First Online: 7 November 2018
Compliance with ethical standards
:
: No funding has been received for this study.
: Klaas W. Marck and Jan J. van Wingerden declare that they have no conflict of interest.
: For this type of article, formal consent from a local ethics committee is not required.
: For this type of article, informed consent is not relevant.