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Authors
Ferrari, Raphael https://orcid.org/0000-0001-8125-4800
Lanzer, M.
Wiedemeier, D.
Rücker, M.
Bredell, M.
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Article History
Received: 6 August 2018
Accepted: 9 October 2018
First Online: 16 October 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The Ethics Committee of Zurich approved the study (Ref. Nr. KEK-ZH No. 2012-0561).
: General consent was given by the patients.
