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