[1] MGVP Inc, Goma, DEM REP CONGO
[2] Smithsonian Conservat Biol Inst, Global Hlth Program, Washington, DC USA
[3] The Wilds, Cumberland, OH USA
[4] Univ Calif Davis, Karen C Drayer Wildlife Hlth Ctr, Davis, CA USA
[5] Univ Calif Davis, Dept Surg & Radiol Sci, Davis, CA USA
[6] Michigan State Univ, Coll Vet Med, Vet Diagnost Lab, E Lansing, MI 48824 USA
[7] Tufts Univ, Cummings Sch Vet Med, North Grafton, MA USA