1. U.S. Geological Survey Alaska Science Center Anchorage Alaska
2. Department of Clinical and Experimental Medicine Linköping University Linköping Sweden
3. Department of Infectious Diseases Kalmar County Council Kalmar Sweden
4. Research Section, Department of Development and Public Health Kalmar County Hospital Kalmar Sweden
5. Department of Clinical Microbiology Kalmar County Hospital Kalmar Sweden
6. Zoonosis Science Center, Department of Medical Sciences Uppsala University Uppsala Sweden
7. U.S. Geological Survey, Alaska Science Center Juneau Alaska