Department of Microbiology and Immunology;
Laboratory of Clinical and Epidemiological Virology;
Rega Institute for Medical Research;
KU Leuven;
3012 Leuven;
Belgium;
Blood Transfusion Research Center;
High Institute for Research and Education in Transfusion Medicine;
Tehran 15614;
Iran;
Department of Molecular Microbiology and Immunology;
Keck School of Medicine;
University of Southern California;
Harlyne J.Norris Cancer Research Tower;
Los Angeles;
CA 90033;
United States;
Division of Infectious Diseases;
Johns Hopkins School of Medicine;
Baltimore;
MD 21205;
United States;
Department of Medicine Ⅲ;
RWTH University Hospital Aachen;
52074 Aachen;
Germany;