1. Sharon Nicholson Harrell is with FirstHealth of the Carolinas Dental Care Centers, Pinehurst, NC, and the Departments of Dental Ecology and Operative Dentistry, University of North Carolina School of Dentistry, Chapel Hill. Marguerite Ro is with Public Health-Seattle and King County, Seattle, WA. Lisa Gaarde Hartsock is with Treasure House, Phoenix, AZ.