[1] Katholieke Univ Leuven, Rega Inst Med Res, Dept Microbiol Immunol & Transplantat, B-3000 Leuven, Belgium
[2] Cent South Univ, Xiangya Sch Publ Hlth, Changsha 410078, Peoples R China
[3] Huaihua City Maternal & Child Hlth Care Hosp, Huaihua 418000, Peoples R China
[4] Cent South Univ, Xiangya Hosp 2, Hunan Clin Mol Diag Ctr, Clin Med Res Ctr Mol Diag Infect Dis Hunan Prov,Mo, Changsha 410011, Peoples R China