Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Scientific Reports 4, Article number: 4717 10.1038/srep04717 (2014); Published: April172014; Updated: September052014
The original version of this Article contained a typographical error in the spelling of the author Yunbo Liu which was incorrectly given as Yunbo Lyb. This has now been corrected in both the PDF and HTML versions of the Article.
View on publisher site
PDF (137.5 KB)
