1. Jeongyoung Park () is an assistant professor in the School of Nursing and the Health Workforce Research Center, Department of Health Policy and Management, Milken Institute School of Public Health, George Washington University, in Washington, D.C.
2. Clese Erikson is deputy director of the Health Workforce Research Center, Department of Health Policy and Management, Milken Institute School of Public Health, George Washington University.
3. Xinxin Han is a PhD candidate in health policy at the Trachtenberg School, George Washington University.
4. Preeti Iyer was a data analyst intern in the Health Care Affairs Unit, Association of American Medical Colleges, in Washington, D.C., when this work was conducted. She is currently a third-year computer science student at Princeton University, in New Jersey.