1. Key Laboratory of Medical Molecular Virology of Ministries of Education & Health, Shanghai Medical College of Fudan University, Shanghai 200032, PR China
2. Kunshan Center For Disease Control & Prevention, 458 Tongfengxi Road, Kunshan, Jiangsu, 215301, PR China
3. Department of Medical Microbiology & Parasitology, Laboratory of Medical Microbiology, Shanghai Medical College of Fudan University, 138 Yixueyuan R., Shanghai 200032, PR China