This seems fascinating. I followed your link to the source and it seems that original article is Open Access and people interested can find it at the Journal's

This seems fascinating. I followed your link to the source and it seems that original article is Open Access and people interested can find it at the Journal's website http://www.biomedcentral.com/content/pdf/1741-7007-8-30.pdf http://www.biomedcentral.com/content/pdf/1741-7007-8-30.pdf