1. Department of Comparative, Diagnostic and Population Medicine, College of Veterinary Medicine, University of Florida, 1945 SW 16th Ave., Gainesville, Florida 32610, USA
2. Alaska Department of Fish and Game, 1300 College Rd., Fairbanks, Alaska 99701, USA
3. Alaska SeaLife Center, PO Box 1329, Seward, Alaska 99664, USA
4. North Slope Borough, Department of Wildlife Management, PO Box 69, Utqiagvik, Alaska 99723, USA