Yuhua Qi, Lunbiao Cui, Yiyue Ge, Zhiyang Shi, Kangchen Zhao, Xiling Guo, Dandan Yang, Hao Yu, Lan Cui, Yunfeng Shan, Minghao Zhou, Hua Wang and Zuhong Lu*
* Corresponding author: Zuhong Lu zhlu@seu.edu.cn
BMC Infectious Diseases 2012, 12:384 doi:10.1186/1471-2334-12-384