Tento dokument je zveřejněn 6 Prosinec 2011 tak je k dispozici zdarma v časopise Nature Communications (http://www.nature.com/ncomms/journal/v2/n12/pdf/ncomms1582.pdf).
This paper is published 6 December 2011 so is available free in the journal Nature Communications (http://www.nature.com/ncomms/journal/v2/n12/pdf/ncomms1582.pdf).