Scientific Reports 5: Article number: 9820; published online: 13 April 2015; updated: 13 July 2015

This Article contains an error in the Acknowledgements section:

“This work was supported by the Austrian FWF through the Wittgenstein Prize, the FFG project PLATON, the Doctoral Programme CoQuS (W1210) and the EU through the projects QuantumRelax (ERC-ADG-320975) and SIQS. I.E.M. acknowledges the financial support from the FWF (project P22590-N16).”

should read:

“This work was supported by the Austrian Science Fund FWF through the Wittgenstein Prize, the Doctoral Programme CoQuS (W1210), the SFB FoQuS (F4010-N23), the FFG project PLATON and by the EU through the projects QuantumRelax (ERC-ADG-320975) and SIQS. I.E.M. acknowledges the financial support from the FWF (project P22590-N16).”