1. Medical Genetics Center, Guangdong Women and Children Hospital, Guangzhou, People’s Republic of China
2. Maternal and Children Metabolic-Genetic Key Laboratory, Guangdong Women and Children Hospital, Guangzhou, People’s Republic of China
3. Thalassemia Diagnosis Center, Guangdong Women and Children Hospital, Guangzhou, People’s Republic of China
4. Prenatal Diagnosis Center, Huizhou Second Maternal and Child Health Care Hospital, Huizhou, People’s Republic of China