1. Department of Infectious Diseases; Zhongnan Hospital of Wuhan University; Wuchang District Wuhan Hubei Province China
2. Department of Infection Control; Qingdao Municipal Hospital; Qingdao China
3. Department of Obstetrics and Gynecology; Zhongnan Hospital of Wuhan University; Wuhan China
4. Mother and Child Hospital; Wuxue Huanggang China
5. Centers for Disease Control and Prevention; Chongyang County Xianning China
6. Centers for Disease Control and Prevention; Xiaonan District Xiaogan China
7. Centers for Disease Control and Prevention; Chibi Xianning China
8. Centers for Disease Control and Prevention; Guangshui Shuizhou China
9. Department of Dermatology; School of Medicine; University of Colorado Anschutz Medical Campus; Aurora CO USA