1. Archaeal Virology Unit, Institut Pasteur, Paris, France
2. NIH/NIAID/DCR/Integrated Research Facility at Fort Detrick (IRF-Frederick), Frederick, Maryland, USA
3. Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, Virginia, USA
4. Department of Botany and Plant Pathology, Oregon State University, Corvallis, Oregon, USA
5. Ivane Javakhishvili Tbilisi State University, Tbilisi, Georgia
6. National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, Maryland, USA