1. University of New Mexico College of Nursing, MSC 09 5350, 1 University of New Mexico, Albuquerque, NM 87131, USA
2. Psychosocial & Community Health, University of Washington School of Nursing, P.O. Box 357263, Seattle, WA 98195-7263, USA
3. San Francisco School of Nursing, 2 Koret Way, Room N411Y, P.O. Box 0606, San Francisco, CA 94143, USA
4. Native American Research and Training Center, Department of Family and Community Medicine, University of Arizona, 1642 E. Helen, Tucson, AZ 85719, USA