Affiliation: | 1. Institute of Reproductive Medicine, Medical School of Nantong University, Nantong China ; 2. Medical Laboratory Department of Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang China ; 3. School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong China ; 4. Department of Laboratory Medicine, Peking University Shenzhen Hospital, Shenzhen China |