1. Medical Genetic Department The Affiliated Hospital of Qingdao University Qingdao China
2. Prenatal Diagnosis Center The Affiliated Hospital of Qingdao University Qingdao China
3. Department of Clinical Laboratory Medical College of Qingdao University Qingdao China
4. Dermatological department The Affiliated Hospital of Qingdao University Qingdao China
5. Prenatal Diagnosis Center Qingdao Municipal Hospital Qingdao China