[1] Tel Aviv Univ, Sch Zool, IL-6998701 Tel Aviv, Israel
[2] Univ Glasgow, Inst Biodivers Anim Hlth & Comparat Med, Glasgow, Lanark, Scotland
[3] Univ Glasgow, Ctr Virus Res, Inst Infect Immun & Inflammat, MRC, Glasgow, Lanark, Scotland
[4] Med Univ Vienna, Ctr Publ Hlth, Dept Epidemiol, Vienna, Austria
[5] Harvard Med Sch, Channing Div Network Med, Boston, MA 02115 USA
[6] Karolinska Inst, Dept Microbiol Tumor & Cell Biol, Solna, Sweden
[7] Tel Aviv Univ, Sch Zool, Steinhardt Museum Nat Hist, Tel Aviv, Israel
[8] Columbia Univ, Sch Publ Hlth, New York, NY USA
[9] Univ Groningen, Groningen Inst Evolutionary Life Sci, Groningen, Netherlands