Friedrich, Michael http://orcid.org/0000-0002-0528-1564
Karoff, Jan http://orcid.org/0000-0002-6271-5269
Hinz, Andreas http://orcid.org/0000-0002-6986-8145
Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (HI 1108/5-1)
Article History
Accepted: 30 April 2019
First Online: 8 May 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: The study received research ethics committee approval from ethic board of the medical faculty of the University of Leipzig (chairperson: Prof. Dr. R. Preiß, protocol number: 287-13-07102013, date of approval: 15 Oct 2013).
: Informed consent was obtained from all participants individual included in the study.
: 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. The study received research ethics committee approval from ethic board of the medical faculty of the University of Leipzig (chairperson: Prof. Dr. R. Preiß, protocol number: 287-13-07102013, date of approval: 15 Oct 2013).