1. Department of Dental Practice and Rural Health, School of Dentistry; West Virginia University; Morgantown, WV USA
2. Departments of Health Services Research and Biostatistics; University of Texas MD Anderson Cancer Center; Houston, TX USA
3. Department of Pharmaceutical Systems and Policy; West Virginia University School of Pharmacy, Robert C. Byrd Health Sciences Center; Morgantown, WV USA
4. School of Social Work; Rutgers University; New Brunswick, NJ USA