Article History
First Online: 20 October 2015
Change Date: 23 October 2015
Change Type: Correction
Change Details: In the version of this article originally published online there was an error in line four; ˮsmallˮ should have been ˮlargeˮ. The final sentence has also been changed to reflect this and now reads ˮ...when compared with the same species found in the intestinal lumenˮ.