1. Key Laboratory of Non-Invasive Research Technology for Endangered Species; College of Nature Conservation, Beijing Forestry University; Beijing China
2. Wildlife Conservation Office of Altay Prefecture; Altay Xinjiang China
3. Xinjiang Research Centre for Breeding Przewalski's Horse; Urumqi Xinjiang China
4. Huamugou Forest Farm, Keshiketeng Banner; Chifeng Inner Mongolia China