Frima, Herman http://orcid.org/0000-0002-5913-5685
van Heijl, Mark
Michelitsch, Christian
van der Meijden, Olivier
Beeres, Frank J. P.
Houwert, Roderick M.
Sommer, Christoph
Article History
Received: 6 December 2018
Accepted: 27 March 2019
First Online: 3 April 2019
Compliance with ethical standards
:
: Herman Frima, Mark van Heijl, Christian Michelitsch, Olivier van der Meijden, Frank J.P. Beeres, Roderick M. Houwert and Christoph Sommer declare that they have no conflict of interest.
: All procedures performed in studies involving human participants 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.