1. Department of Nursing Education and Research, University of Pittsburgh Medical Center, (UPMC) Shadyside, Pittsburgh, Pennsylvania.
2. Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania.
3. School of Nursing, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
4. Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.
5. Department of Biostatistics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania.