Brandenberger, Julia http://orcid.org/0000-0001-7169-8184
Tylleskär, Thorkild
Sontag, Katrin
Peterhans, Bernadette
Ritz, Nicole
Article History
Received: 11 December 2018
Accepted: 27 May 2019
First Online: 14 June 2019
Ethics approval and consent to participate
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: We declare no competing interests. The authors alone are responsible for the views summarized in this article and they do not necessarily represent perspectives of the institutions with which they are affiliated.