1. Department of Obstetrics and Gynecology, University of Iowa Carver College of Medicine, Iowa City, Iowa.
2. Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, Iowa.
3. Center for Comprehensive Access and Delivery Research and Evaluation (CADRE), Iowa City Veteran Affairs Health Care System, Iowa City, Iowa.
4. VA Office of Rural Health (ORH), Veterans Rural Health Resource Center—Iowa City Veterans Affairs Health Care System, Iowa City, Iowa.
5. Department of Epidemiology, University of Iowa College of Public Health, Iowa City, Iowa.
6. Department of Psychiatry, University of Iowa Carver College of Medicine, Iowa City, Iowa.