1. Department of Obstetrics and Gynecology, School of Medicine, Keio University
2. Department of Molecular Cytogenetics, Medical Research Institute and Graduate School of Medical and Dental Science, Tokyo Medical and Dental University
3. Bioresource Research Center, Tokyo Medical and Dental University
4. Department of Pathology, National Defense Medical College
5. Department of Obstetrics and Gynecology, National Defense Medical College
6. Department of Genome Medicine, Hard Tissue Genome Research Center, Tokyo Medical and Dental University