1. College of Oceanic and Atmospheric Sciences; Oregon State University; Corvallis Oregon USA
2. Department of Geology and Geophysics; University of Alaska Fairbanks; Fairbanks Alaska USA
3. Department of Geological Sciences; University of Florida; Gainesville Florida USA
4. Department of Biological Sciences; Idaho State University; Pocatello Idaho USA
5. College of Veterinary Medicine; Oregon State University; Corvallis Oregon USA