Author Affiliations +
Christine M. Molter,*,** Judilee C. Marrow,** Joseph P. Flanagan,** Laura J. Baseler**
*Correspondence should be addressed to Dr. Molter (cmolter@houstonzoo.org).
**From the Houston Zoo, Inc., 1513 Cambridge Street, Houston, TX 77030, USA (Molter, Marrow, and Flanagan); School of Population and Public Health, University of British Columbia, 2329 West Mall, Vancouver, BC, V6T 1Z4, Canada (Baseler); Animal Health Centre, 1767 Angus Campbell Road, Abbotsford, BC, V3G 2M3, Canada (Baseler).