Liu, Ti
Li, Zhong
Zhang, Shengyang
Song, Shaoxia
Julong, Wu
Lin, Yi
Guo, Nongjian
Xing, Chunyan
Xu, Aiqiang
Bi, Zhenqiang
Wang, Xianjun
Funding for this research was provided by:
Scientific and Technological Projects of Shandong Province (2009GG10002054)
Health and Family Planning Commission of Shandong Province (2014WS0380)
he National Key Science and Technology project on Infectious Disease Surveillance Technique platform of China (2013ZX10004-202)
Article History
Received: 3 June 2015
Accepted: 20 September 2015
First Online: 14 October 2015