1. Department of Developmental Medicine Research Institute, Osaka Women's and Children's Hospital Osaka Japan
2. Department of Obstetrics and Gynecology Maizuru Kyosai Hospital Kyoto Japan
3. Department of Obstetrics and Gynecology University of Fukui Fukui Japan
4. Department of Pathology National Institute of Infectious Diseases Tokyo Japan
5. Department of Infection Metagenomics Research Institute for Microbial Diseases, Osaka University Osaka Japan
6. Department of Pathology Osaka Women's and Children's Hospital Osaka Japan
7. Department of Parasitology National Institute of Infectious Diseases Tokyo Japan
8. Division of Diagnostic Pathology/Surgical Pathology University of Fukui Fukui Japan
9. Division of Food Science and Biotechnology Graduate School of Agriculture, Kyoto University Kyoto Japan