Scientific Reports 6: Article number: 30215; 10.1038/srep30215 published online: August 03 2016; updated: March 22 2017.
The original version of this Article contained an error in the order of author names, which were incorrectly given as ‘Jing Lin, Wei-qing Shao, Zong-you Chen, Wen-wei Zhu, Lu Lu, Duan Cai, Lun-xiu Qin, Hu-liang Jia, Ming Lu & Jin-hong Chen’.
These errors have now been corrected in the PDF and HTML versions of the Article.