| Affiliation: | 1. School of Information Science and Engineering, Xiamen University, Xiamen, Fujian 361005, China;2. School of Mathematical Sciences, Xiamen University, Xiamen, Fujian 361005, China;1. Texas Children''s Fetal Center, Baylor College of Medicine, Houston, TX;2. Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX;3. Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, TX;4. Department of Pediatrics - Newborn Section, Baylor College of Medicine, Houston, TX;5. Clevand Clinic Fetal Center, Cleveland, OH |
