| Affiliation: | 1. The Department of Biochemistry, Molecular and Microbiology, Pennsylvania State University, University Park, Penn., USA;2. The Huck Institutes for the Life Sciences Cell and Developmental Biology Option, Pennsylvania State University, University Park, Penn., USA;3. Department of Veterinary and Biomedical Sciences, Pennsylvania State University, University Park, Penn., USA;4. The Center for Molecular Immunology and Infectious Disease, Pennsylvania State University, University Park, Penn., USA |
