1. Department of Natural Sciences/Nursing; University of Houston-Downtown; Houston Texas
2. Department of Statistics; The George Washington University; Washington District of Columbia
3. Eleanor Mann School of Nursing; University of Arkansas; Fayetteville Arkansas
4. School of Nursing; University of Rochester; Rochester New York
5. School of Nursing; University of Pittsburgh; Pittsburgh Pennsylvania
6. School of Nursing; The University of Texas Medical Branch; Galveston Texas
7. Department of Epidemiology and Biostatistics; University of Georgia College of Public Health; Athens Georgia