1. Faculty of Biological Science and Technology, Beijing Forestry University
2. Laboratory of Veterinary Physiology, Tokyo University of Agriculture and Technology
3. Department of Theriogenology, Faculty of Veterinary Medicine, Suez Canal University
4. Department of Basic Veterinary Science, United Graduate School of Veterinary Sciences, Gifu University
5. Laboratory of Veterinary Physiology, Agricultural College of Yanbian University
6. Department of Tissue Physiology, Tokyo University of Agriculture and Technology