1. Department of Infectious Diseases; Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University; Shanghai China
2. Key Laboratory of Medical Molecular Virology of the Ministries of Education and Health; Department of Infectious Diseases; Huashan Hospital; Fudan University; Shanghai China
3. Department of Liver Diseases; The Sixth People's Hospital affiliated to Zhejiang University of Traditional Chinese Medicine; Hangzhou Zhejiang China
4. Institute of Virology; University Hospital of Essen; University of Duisburg-Essen; Essen Germany