Affiliation: | 1. Diagnostic Biomarker Discovery Laboratory, Division of Maternal and Fetal Medicine, Department of Obstetrics and Gynecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore Both authors contributed equally to the manuscript.;2. Diagnostic Biomarker Discovery Laboratory, Division of Maternal and Fetal Medicine, Department of Obstetrics and Gynecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore;3. Biostatistics Unit, Yong Loo Lin School of Medicine, Blk MD 11, CRC, 10 Medical Drive, National University of Singapore, Singapore;4. Department of Obstetrics and Gynecology, National University Hospital, Singapore |