1. Department of Biomedical Sciences, College of Veterinary Medicine, King Faisal University, Al-Ahsa 31982, Saudi Arabia
2. Department of Pharmacology, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafrelsheikh 33516, Egypt
3. Research Center for Asian Infectious Diseases, Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan
4. Department of Virology, Toyama Institute of Health, Toyama 939-0363, Japan
5. Division of Molecular Virology, Department of Microbiology and Immunology, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan
6. Department of Microbiology, Hallym University College of Medicine, Chuncheon 24252, Republic of Korea
7. Senior Professor Office, The University of Tokyo, Tokyo 108-8639, Japan