1. Department of Reproductive Biology, National Research Institute for Child Health and Development, Tokyo, Japan
2. Department of Microbiology, Faculty of Medicine, Saitama Medical University, Saitama, Japan
3. Department of Life Sciences, School of Agriculture, Meiji University, Kanagawa, Japan
4. Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan
5. Division of Laboratory Animal Resources, National Research Institute for Child Health and Development, Tokyo, Japan
6. Department of Applied Life Sciences, Faculty of Agriculture, Shizuoka University, Shizuoka, Japan
7. Department of Molecular Pathology, Tokyo Medical University, Tokyo, Japan
8. Department of Food and Nutrition, Beppu University, Oita, Japan
9. Division of Diversity Research, National Research Institute for Child Health and Development, Tokyo, Japan