Matz, Oliver
Heckelmann, Jan
Zechbauer, Sebastian
Litmathe, Jens
Brokmann, Jörg C.
Willmes, Klaus
Schulz, Jörg B.
Dafotakis, Manuel
Article History
Received: 9 January 2017
Accepted: 4 September 2017
First Online: 12 September 2017
Compliance with ethical standards
:
: The authors have no conflict of interest to declare.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional 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.