1. Division of Life Science; Graduate School of Agriculture; Meiji University; Kawasaki Kanagawa Japan
2. Organization for the Strategic Coordination of Research and Intellectual Property; Meiji University; Kawasaki Kanagawa Japan
3. Institute for Reproduction and Endocrinology; Meiji University; Kawasaki Kanagawa Japan
4. Division of Histology and Cell Biology; Department of Anatomy; Jichi Medical University School of Medicine; Tochigi Japan
5. Department of Life Science; School of Agriculture; Meiji University; Kawasaki Kanagawa Japan