Gehring, Tobias
Händchen, Vitus
Duhme, Jörg
Furrer, Fabian
Franz, Torsten
Pacher, Christoph
Werner, Reinhard F.
Schnabel, Roman
Article History
Received: 26 February 2015
Accepted: 6 October 2015
First Online: 30 October 2015
Change Date: 25 November 2015
Change Type: Update
Change Details: The HTML version of this paper was updated shortly after publication, following a technical error that resulted in the wrong mathematical symbols being displayed in the "Classical post-processing" methods section. The symbols have now been corrected in the HTML; the PDF version of the paper was correct from the time of publication.
Competing interests
: The authors declare no competing financial interests.