Scientific Reports 6: Article number: 27754; published online: 13 June 2016; updated: 23 March 2017

The Acknowledgements section in this Article is incomplete.

“This study was supported by grants from the Australian Research Council (FT130101488; DP150100986). The authors thank Petra C van den Bogert for help with data collection”.

should read:

“This study was supported by grants from the Australian Research Council (FT130101488; DP150100986). The authors thank Petra C van den Bogert for help with data collection. This work was also supported by an International Research Staff Exchange Scheme (612681) of the EU 7th Framework Programme”.