Wang Shu-qiang, Xu Kai-ju, Wu Jia-zhen, Liu Xiao-shu, Luo Ting-ting, Yang Ren-guo, Geng Xiao-xia, Huang Ren-gang, Lin Jian-mei, Jiang Nan
Department of Infectious Diseases, Sichuan Academy of Medical Sciences, Chengdu, China.
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