1. Institute of Parasitic Diseases, Sichuan Center for Disease Control and Prevention, Chengdu, China
2. Department of Veterinary Integrative Biosciences, College of Veterinary Medicine & Biomedical Sciences, Texas A&M University, College Station, Texas, USA
3. Department of Endemic Diseases, Muli County Center for Disease Control and Prevention, Muli, China
4. Williamsville School District, Buffalo, NY, USA
5. Department of Parasitology, Asahikawa Medical University, Asahikawa, Japan