1 Department of Experimental Medicine and Jiangsu Key Laboratory for Molecular Medicine, Nanjing Drum Tower Hospital, Nanjing University Medical School, Nanjing, China.
2 Department of Obstetrics and Gynecology, Zhenjiang Fourth People's Hospital, Zhenjiang, China.
3 Department of Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Nanjing University Medical School, Nanjing, China.
4 Department of Infectious Diseases, Nanjing Drum Tower Hospital, Nanjing University Medical School, Nanjing, China.