Krämer, Johannes
Kreuzer, Felix
Kaestner, Michael
Bride, Peter
von Scheidt, Fabian
Siaplaouras, Jannos
Latus, Heiner
Schranz, Dietmar
Apitz, Christian
Article History
Received: 20 November 2017
Accepted: 6 March 2018
First Online: 14 March 2018
Compliance with Ethical Standards
:
: The authors declares 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.