Updates are available Correction dated 2019-06-11

Article History

Received: 14 June 2018

Accepted: 28 January 2019

First Online: 6 February 2019

Change Date: 11 June 2019

Change Type: Correction

Change Details: The original article [1] contains an error whereby the legends of Figs. 3 and 4 are erroneously swapped. As such, the correct configuration of these legends can be seen in the same figures below instead.

Ethics approval and consent to participate

: Since the project did not fall under the Human Research Act, a “declaration of no objection/independence” was issued by the Ethics Committee of the Canton Zurich (Reference number BASEC Req-2017-00346). All participants were ≥ 18 years and gave written informed consent to participate.

: All authors have approved the manuscript for submission. All participants gave written informed consent to publish these data. No individual details, images or videos are included in the manuscript.

: The authors declare that they have no competing interests and there are no financial competing interests to declare in relation to this manuscript.

: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.