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Authors
Murer, Andreas M.
Hirschmann, Michael T. https://orcid.org/0000-0002-4014-424X
Amsler, Felix
Rasch, Helmut
Huegli, Rolf W.
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Article History
Received: 29 January 2019
Accepted: 26 June 2019
First Online: 1 July 2019
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 consent for participation in the study was obtained.
