Schenk, L.
Bethge, L.
Hirschmann, A.
Berbig, R.
Lüthi, U.
Arnold, M. P.
Hirschmann, Michael T. http://orcid.org/0000-0002-4014-424X
Article History
Received: 24 March 2019
Accepted: 11 September 2019
First Online: 18 September 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: There was no outside funding recieved for this study.
: All investigations were conducted in conformity with ethical principles of research and that institutional approval of the human protocol for this investigation was obtained.
: Informed consent for participation in the study was obtained by the local institution.