1. Department of Biology of Reproduction, Institute of Animal Production
2. Genetic Diversity Department, National Institute of Agrobiological Sciences
3. Laboratory of Animal Reproduction, School of Veterinary Medicine, Azabu University
4. Laboratory of Reproductive Biology & Biotechnology, Faculty of Agriculture, Kobe University
5. Developmental Biology Department, National Institute of Agrobiological Sciences
6. Institute of Animal Physiology and Genetics