Institution: | 1. Department of Obstetrics and Gynecology, Showa University School of Medicine, Tokyo, Japan;2. Department of Obstetrics and Gynecology, Showa University School of Medicine, Tokyo, Japan
Department of Obstetrics and Gynecology, University of Indonesia, Jakarta, Indonesia;3. Division of Prenatal Medicine, Department of Histology and Embryology, University of Bologna, Bologna, Italy |