1. Key Laboratory for Biotech-Drugs of National Health Commission, Key Laboratory for Rare & Uncommon Diseases of Shandong Province, Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji'nan, Shandong, China
2. Prenatal Diagnostic Center of Obstetrics and Gynecology Department, Qilu Hospital of Shandong University, Ji'nan, Shandong, China.
3. Yinfeng Gene Technology Company Limited, Ji'nan, Shandong, China.