Scientific Reports 6: Article number: 20319; published online: 04 February 2016; updated: 04 March 2016.

This Article contains errors in the Acknowledgments section.

“JFM acknowledges support by NSF Grants DMR-1206868 and MCB-1022117, and by NIH Grant DMR-1206868.”

should read:

“JFM acknowledges support by NSF Grants DMR-1206868 and MCB-1022117, and by NIH Grants R01-GM105847 and U54-CA193419 (CR-PS-OC).”