1. Department of Human Anatomy, Medical College of Qinghai University, 810000 Xining, China
2. Department of Physiology, Medical College of Northwest Minzu University, 730000 Lanzhou, Gansu, China
3. Department of Animal Nutrition, Cholistan University of Veterinary and Animal Sciences, Bahawalpur 63100, Pakistan
4. Poultry Department, Faculty of Agriculture, Zagazig University, 44511 Zagazig, Egypt
5. Forensic Medicine and Toxicology Department, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44511, Egypt
6. Department of Respiratory, Fourth People's Hospital of Qinghai Province, 810000 Xining, China