Affiliation: | 1. Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hong Kong;2. Centre for Research into Circulating Fetal Nucleic Acids, Li Ka Shing Institute of Health Sciences, Hong Kong Departments of Chemical Pathology, The Chinese University of Hong Kong, Hong Kong;3. Departments of Chemical Pathology, The Chinese University of Hong Kong, Hong Kong;4. Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong |