Lüddecke, Robin
Lindner, Thomas
Forstenpointner, Julia
Baron, Ralf
Jansen, Olav
Gierthmühlen, Janne
Article History
Received: 24 May 2018
Accepted: 14 June 2018
First Online: 30 June 2018
Compliance with ethical standards
:
: No funding was received for this study.
: 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.