Nature Communications 7: Article number: 12621; DOI: 10.1038/ncomms12621 (2016); Published: September 01 2016; Updated: November 22 2016
The financial support for this Article was not fully acknowledged. The Acknowledgements should have included the following:
M.B.H. and P.I. are grateful for computational resources provided by the North-German Supercomputing Alliance and the ZEDAT cluster Soroban of the Freie Universität Berlin.