1. Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, USA.
2. Department of Agricultural and Human Sciences, College of Agriculture and Life Sciences, North Carolina State University, Raleigh, North Carolina, USA.
3. Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, USA.
4. Galápagos Science Center, Universidad San Francisco de Quito (USFQ) and The University of North Carolina (UNC) at Chapel Hill, San Cristóbal Island, Ecuador.
5. College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, USA.
6. Agencia de Regulación y Control de la Bioseguridad y Cuarentena para Galápagos, Puerto Ayora, Ecuador.
7. Instituto de Microbiología, Universidad San Francisco de Quito, Quito, Ecuador.