Scientific Reports 6: Article number: 23351;10.1038/srep23351 published online: March302016; updated: April222016
This Article contains typographical errors in a grant number in the Acknowledgements section.
“This work was supported by grants National Natural Science Foundation of China (331470877, 81172811),”
should read:
“This work was supported by grants National Natural Science Foundation of China (31470877, 81172811),”
