1. Department of Biology; University of Alabama at Birmingham; Birmingham AL USA
2. College of Veterinary Medicine & Biomedical Sciences; Texas A&M University; College Station TX USA
3. Department of Statistics; University of Washington; Seattle WA USA
4. Pathobiology and Population Health; The Royal Veterinary College; Hatfield UK
5. Department of Pathology; University of Washington; Seattle WA USA
6. Department of Biology; University of Washington; Seattle WA USA