1. Northwest Portland Area Indian Health Board, Portland, OR, USA
2. National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, USA
3. Gallup Indian Medical Center, Indian Health Service, Gallup, NM, USA
4. Indian Health Service, Division of Nursing, Rockville, MD, USA
5. National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention, Atlanta, GA, USA