1. Department of Pharmacy Maoming People's Hospital Maoming China
2. Department of Clinical Biological Resource Bank, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center Guangzhou Medical University Guangzhou China
3. Department of Prenatal Diagnosis Maoming People's Hospital Maoming China
4. Department of Blood Transfusion, Guangzhou Women and Children's Medical Center Guangzhou Medical University Guangzhou China
5. Department of Clinical Laboratory, Guangzhou Women and Children's Medical Center Guangzhou Medical University Guangzhou China