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Authors
Sievi, Noriane A. https://orcid.org/0000-0003-1758-4586
Brack, Thomas
Brutsche, Martin H.
Frey, Martin
Irani, Sarosh
Leuppi, Jörg D.
Thurnheer, Robert
Kohler, Malcolm
Clarenbach, Christian F.
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Article History
Received: 12 November 2019
Accepted: 8 January 2020
First Online: 20 January 2020
Ethics approval and consent to participate
: The study was conducted in accordance with the declaration of Helsinki and all subjects gave written informed consent to participate. The Ethics Committee of the Canton of Zurich approved the study (EK-ZH-NR: 1734 and 2011–0106) and the study is registered at , NCT01527773.
: Not applicable.
: The authors declare that they have no competing interests.
