1. Institute of Molecular Embryology and Genetics, Graduate School of Medical and Pharmaceutical Sciences, Global Center of Excellence “Cell Fate Regulation Research and Education Unit” (A.M., S.M., Y.O., H.N.-F., G.Y.), Kumamoto University, Kumamoto 860-0811, Japan
2. Okazaki Institute for Integrative Bioscience (S.M., Y.O.), National Institutes of Natural Sciences, Aichi 444-8787, Japan
3. Department of Biochemistry and Molecular Genetics (H.N.-F.), Ehime University, Graduate School of Medicine, Ehime 791-0295, Japan
4. Institute of Resource Development and Analysis (K.A., T.Ka., K.Ya.), Kumamoto University, Kumamoto 860-0811, Japan
5. Institute of Molecular and Cellular Biosciences (T.M., S.K.), University of Tokyo, Tokyo 113-0032, Japan
6. Institute of Health Biosciences (T.M.), University of Tokushima Graduate School, Tokushima 770-8503, Japan
7. Institute of Laboratory Animals (T.Ka.), Graduate School of Medicine, Kyoto University, Kyoto 606-8501, Japan
8. Department of Morphological and Functional Sciences (K.Yo.), Graduate School of Health Science, Kumamoto University, Kumamoto 862-0976, Japan
9. Division of Reproductive Biology Research (T.Ku.), Feinberg School of Medicine at Northwestern University, Chicago, Illinois 60611
10. Department of Pediatrics (A.M.M.), Program in Molecular Medicine, University of Utah, Salt Lake City, Utah 84112