1. The SeaDoc Society, University of California at Davis Karen C. Drayer Wildlife Health Center—Orcas Island Office, 942 Deer Harbor Rd., Eastsound, Washington 98245, USA
2. Zoological Pathology Program, University of Illinois, 3300 Golf Rd., Brookfield, Illinois 60513, USA
3. Animal Health Center, 1767 Angus Campbell Rd., Abbotsford, British Columbia V3G 2M3, Canada