State Key Laboratory of Virology;
Wuhan Institute of Virology;
Chinese Academy of Sciences;
Wuhan 430071;
Hubei Province;
China;
Department of Microbiology and Immunology;
Feinberg School of Medicine Northwestern University;
Chicago;
IL 60611;
United States;
Institute of Virology;
University Hospital of Essen;
Essen 45122;
Germany;
Hepatitis; B; surface; protein; Defective; surface; antigen; mutants; Endoplasmic; reticulum; stress; Fulminant; hepatitis; B; Occult; hepatitis; B; virus; infection; Pathogenesis;