1. Department of Laboratory Medicine, Fujian Key Clinical Specialty of Laboratory Medicine, Women and Children’s Hospital, School of Medicine, Xiamen University, Xiamen City, China
2. Department of obstetrics, Women and Children’s Hospital, School of Medicine, Xiamen University, Xiamen City, China
3. School of Public Health, Xiamen University, Xiamen City, China
4. Department of Laboratory Medicine, School of Public Health, Xiamen University, Xiamen City, China