1. Center for Medical Genetics and Prenatal Diagnosis, People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning, People’s Republic of China
2. Department of clinical laboratory, The Second Nanning People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning, People’s Republic of China
3. Yaneng Biotechnology Corporation, Shenzhen, People’s Republic of China
4. Berry Genomics Corporation, Beijing, People’s Republic of China