1 Division of Infectious Diseases, Northwestern University Feinberg School of Medicine, Chicago, Illinois 60011, USA.
2 Institute for Emerging Infections, Department of Zoology, University of Oxford, Oxford OX1 3PS, UK.
3 Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, Washington 98109, USA.
4 Centro de Investigação em Biodiversidade e Recursos Genéticos Universidade do Porto, Campus de Vairão, Rua Padre Armando Quintas 4485-661 Vairão, Portugal.
5 Institute for Genomics and Evolutionary Medicine, Temple University, Philadelphia, Pennsylvania 19122, USA.
6 Division of Viral Diseases, Center for Laboratory Control of Infectious Diseases, Korea Centers for Disease Control and Prevention, Chungju-si, Chungcheongbuk-do, 28159, South Korea.
7 Department of Surgery, University of Minnesota, Minneapolis, Minnesota 55455, USA.
8 Antiviral Pharmacology Laboratory, University of Nebraska Medical Center, College of Pharmacy, Omaha, Nebraska 68198, USA.
9 Division of Infectious Diseases, University of Minnesota, Minneapolis, Minnesota 55455, USA.
10 Department of Infectious Diseases, School of Immunology & Microbial Sciences, King's College London, Guy's Hospital, London SE1 9RT, UK.
11 Institute of Evolutionary Biology, University of Edinburgh, Edinburgh EH9 3FL, UK.
12 Department of Microbiology and Immunology, University of Minnesota, Minneapolis, Minnesota 55455, USA.