Akihiro Yoshida*, Oum-Keltoum Ennibi, Hideo Miyazaki, Tomonori Hoshino, Hideaki Hayashida, Tatsuji Nishihara, Shuji Awano and Toshihiro Ansai
* Corresponding author: Akihiro Yoshida akihiro@kyu-dent.ac.jp
BMC Infectious Diseases 2012, 12:253 doi:10.1186/1471-2334-12-253