Scientific Reports 4, Article number: 5026 (2014); Published: 22 May 2014; Updated: 12 March 2015

To better reflect the contributions to this study, the authors wish to make the following changes to the Article.

‘Yong Jiang, Hui-yan Wang, Hong-mei Cao, Chun-yan Wang, Lei Zhang, Hao Wang, Lei Liu, Yan Li, & Jian-hui Cai’

Now reads

‘Yong Jiang, Hui-yan Wang, Yan Li, Su-hong Guo, Lei Zhang & Jian-hui Cai’

Acknowledgements

‘The authors would like to thank Dr. Shi Lei (Chi Biotechnology) for critical reading of the manuscript. This work was supported by grants from the Jilin Provincial Health Department Project (2011ZC029), National Natural Science Foundation of China (31100566; 81273421; 81202953; 81100808), Scientific research of Jilin province college talent cultivation project of Chunmiao (2013-352) and Jilin City Science and Technology Project (201032244)’

Now reads

‘The authors would like to thank Hong-mei Cao, Chun-yan Wang, Hao Wang and Lei Li for technical help. We also thank Dr. Shi Lei (Puhe Biotechnologies) for critical reading. This work was supported by the National Natural Science Fundation of China (Grant No. 31100566), Chunmiao Cultivation Program for University Talents in Jilin Province (2013-352), Youth Research Fund Project of Science and Technology Department of Jilin Province (20140520006JH), the Training Program for Outstanding Young Talents in Jilin, Jilin Provincial Health Department Project (Grant No. 2011ZC029; 2011Z089).’

Author Contributions Statement

‘Y.J. and J.H.C. conceived the study and wrote the manuscript; H.Y.W., H.M.C., C.Y.W., L.Z., H.W., L.L. and Y.L. generated data and reviewed the manuscript.’

Now reads

‘YJ and JHC conceived the study and wrote the manuscript; HW, YL, SG and LZ generated data and reviewed the manuscript.’

These changes have been made in the PDF and HTML versions of the Article.