Brill, Christina
Scheuer, Till
Bührer, Christoph
Endesfelder, Stefanie
Schmitz, Thomas
Article History
Received: 20 June 2016
Accepted: 18 January 2017
First Online: 23 February 2017
Change Date: 12 May 2017
Change Type: Update
Change Details: A correction has been published and is appended to both the HTML and PDF versions of this paper. The error has not been fixed in the paper.
Change Date: 12 May 2017
Change Type: Erratum
Change Details: Scientific Reports 7: Article number: 43000; published online: 23 February 2017; updated: 12 May 2017 This Article contains an error in Figure 8: the oxygen percentage for the black columns is incorrectly labeled as 21% instead of the correct value of 5%. The correct Figure 8 appears below as Figure1 along with the accompanying legend.
Competing interests
: The authors declare no competing financial interests.