1. Biological Sciences, College of Arts and Sciences, Texas Tech University, Lubbock, TX, USA
2. IrsiCaixa AIDS Research Institute, Germans Trias i Pujol Research Institute, Badalona, Spain
3. Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
4. Immunology and Molecular Microbiology, Texas Tech Health Sciences Center, Lubbock, TX, USA
5. Medicine, Infectious Diseases, University of Alabama at Birmingham, Birmingham, AL, USA
6. Institute of Molecular Virology, University of Ulm, Ulm, Germany