1. Health Affairs Institute, West Virginia University, Charleston, West Virginia, USA.
2. Department of Behavioral Medicine and Psychiatry, Rockefeller Neurosciences Institute, School of Medicine, West Virginia University, Morgantown, West Virginia, USA.
3. Department of Social and Behavioral Sciences, School of Public Health, West Virginia University, Morgantown, West Virginia, USA.
4. Department of Health Policy, Management and Leadership, School of Public Health, West Virginia University, Morgantown, West Virginia, USA.
5. Department of Obstetrics and Gynecology, School of Medicine, West Virginia University, Morgantown, West Virginia, USA.