Reulen, Hans-Jürgen
Suero Molina, Eric http://orcid.org/0000-0001-5652-2105
Zeidler, Reinhard
Gildehaus, Franz Josef
Böning, Guido
Gosewisch, Astrid
Stummer, Walter
Article History
Received: 2 December 2018
Accepted: 20 March 2019
First Online: 12 April 2019
Compliance with ethical standards
:
: The authors 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. For this type of expert review, formal consent is not required.