1. Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, People’s Republic of China
2. Taian Center for Disease Control and Prevention, Taian, People’s Republic of China
3. Taishan District Center for Disease Control and Prevention, Taian, People’s Republic of China
4. National Virus Reference Laboratory, School of Medicine, University College Dublin, Dublin, Ireland
5. International Collaboration Unit, Research Center for Zoonosis Control, Hokkaido University, Sapporo, Japan