Affiliation: | 1. Frank Duncombe Laboratory, 14053 CAEN cedex 4, France;2. Department of Functional Sciences, Virology and Viral Diseases, Faculty of Veterinary Medicine, University of Liège, B-4000 Liege, Belgium;3. Department of Infectious and Parasitic Diseases, Virology and Viral Diseases, Faculty of Veterinary Medicine, University of Liège, B-4000 Liege, Belgium;1. Porter Ranch, CA;2. Department of Biostatistics, School of Public Health, University of California, Los Angeles, Los Angeles, CA |