Heinzelmann, Frank http://orcid.org/0000-0001-5553-5772
Bethge, Wolfgang
Beelen, Dietrich Wilhelm
Stelljes, Matthias
Dreger, Peter
Engelhard, Marianne
Finke, Jürgen
Kröger, Nikolaus
Holler, Ernst
Bornhäuser, Martin
Müller, Annerose
Haubitz, Imme
Ottinger, Hellmut
Article History
Received: 7 February 2018
Accepted: 27 March 2018
First Online: 5 April 2018
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. Informed consent was obtained from all individual participants included in the study.