1. Department of Laboratory Medicine, The First Affiliated Hospital of Yangtze University, Jingzhou, Hubei, People’s Republic of China
2. Department of Obstetrics and Gynecology, The First Affiliated Hospital of Yangtze University, Jingzhou, Hubei, People’s Republic of China
3. Department of Obstetrics and Gynecology, Yichang second People’s Hospital, Yichang, Hubei, People’s Republic of China