1. Institute of Preventive Veterinary Medicine Sichuan Agricultural University Chengdu China
2. Department of Gastroenterology and Hepatology Erasmus MC – University Medical Center Rotterdam The Netherlands
3. Key Laboratory of Animal Disease and Human Health of Sichuan Province Sichuan Agricultural University Chengdu China
4. Research Center of Avian Diseases College of Veterinary Medicine Sichuan Agricultural University Chengdu China