Scientific Reports 4, Article number: 6634 10.1038/srep06634 (2014); Published: October162014; Updated: March042015
This Article contains an error in the Acknowledgements section:
“Data analysis of this work was supported the NSFC projects (D03/41321062 and D0512/0207131138) and the MOST 973 project (2010CB428500).”
should read:
“Data analysis of this work was supported the NSFC projects (D03/41321062 and D0512/41305123) and the MOST 973 project (2010CB428500).”