1. Department of Medical Oncology, Cancer Center, West China Hospital, Sichuan University, Chengdu, PR China
2. West China Biomedical Big Data Center, West China Hospital/West China School of Medicine, Sichuan University, Chengdu, PR China
3. Prenatal Diagnosis Center, Department of Obstetrics & Gynecology, West China Second University Hospital, Sichuan University, Chengdu, PR China