1. Arctic Investigations Program, DPEI/NCEZID, Centers for Disease Control and Prevention, Anchorage, AK, USA
2. Liver Disease and Hepatitis Program, Alaska Native Tribal Health Consortium, Anchorage, AK, USA
3. Department of Surgery, The Alaska Native Medical Center, Anchorage, AK, USA
4. Department of Pathology and Clinical Laboratory, The Alaska Native Medical Center, Anchorage, AK, USA