1. Center for Research and Evaluation, Kaiser Permanente Georgia, Atlanta
2. Applied Biostatistics Laboratory, School of Nursing, University of Michigan, Ann Arbor
3. Division of Transplantation, Department of Surgery, Emory University School of Medicine, Atlanta, Georgia
4. Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia
5. Department of Health Policy and Management, Rollins School of Public Health, Emory University, Atlanta, Georgia
6. College of Social Work, University of South Carolina, Columbia
7. Renal Division, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia
8. Health Services Research Center, Emory University School of Medicine, Atlanta, Georgia