Document is current
Any future updates will be listed below
-
Authors
Qu, Fei
Li, Chilin
Wang, Zumin
Wen, Yuren
Richter, Gunther
Strunk, Horst P.
- License Information
-
More Information
Article History
Received: 22 October 2014
Accepted: 9 April 2015
First Online: 19 May 2015
Change Date: 30 June 2015
Change Type: Update
Change Details: The HTML version of this Article previously published noted incorrect affiliations for Fei Qu and Chilin Li. This has now been corrected in the HTML; the PDF version of the paper was correct from the time of publication.
Competing interests
: The authors declare no competing financial interests.
