1. Department of Clinical Laboratory, International Peace Maternity and Child Health Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200030, P.R. China
2. Department of Health Technology and Informatics, Hong Kong Polytechnic University, Hong Kong, SAR 999077, P.R. China
3. Department of Obstetrics and Gynecology, International Peace Maternity and Child Health Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200030, P.R. China
4. Department of Clinical Laboratory, Fudan University Shanghai Cancer Center, Shanghai Medical College of Fudan University, Shanghai 200032, P.R. China