Song, Qiu-Cheng
Li, Jun-Li
Peng, Guang-Xiong
Qiao, Cong-Feng
Article History
Received: 10 January 2017
Accepted: 13 February 2017
First Online: 20 March 2017
Change Date: 25 May 2018
Change Type: Update
Change Details: A correction has been published and is appended to both the HTML and PDF versions of this paper. The error has not been fixed in the paper.
Change Date: 25 May 2018
Change Type: Erratum
Change Details: Scientific Reports 7: Article number: 44764; published online: 20 March 2017; updated: 25 May 2018 This Article contains errors in the following equations: In Equation 7, should read: In Equation 9, should read: In Equation 10, should read: In Equation 16, should read: In Equation 17, should read:
Competing interests
: The authors declare no competing financial interests.