Hochreiter, Bettina
Hirschmann, Michael T.
Amsler, Felix
Behrend, Henrik http://orcid.org/0000-0002-4152-0382
Article History
Received: 31 May 2018
Accepted: 11 September 2018
First Online: 21 September 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: 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 was waived by ethical committee.