1. Department of Obstetrics, The First Hospital of Jilin University, Changchun, Jilin, China
2. ZiBo Central Hospital, Zibo, Shandong, China
3. The First Hospital of Jilin University, Phase I Clinical Research Center, Changchun, Jilin, China
4. Department of Hepatology, The First Hospital of Jilin University, Changchun, Jilin, China