1. Extension and the Department of Food Systems, Nutrition, and Kinesiology, Montana State University, Bozeman, MT 59717, USA
2. Department of Psychology, University of Wyoming, Laramie, WY 82071, USA
3. Center on Aging, University of Maine, Bangor, ME 04401, USA
4. School of Social Work, University of Maine, Orono, ME 04469-5770, USA
5. Human Development and Community Health, Montana State University, Bozeman, MT 59715, USA