1. Leighton Ku ( ) is a professor in the Department of Health Policy, Milken School of Public Health, George Washington University (GWU), in Washington, D.C.
2. Bianca K. Frogner is an associate professor in the Department of Family Medicine at the University of Washington, in Seattle. At the time of this research, she was an assistant professor in the Department of Health Services Management and Leadership, Milken School of Public Health, GWU.
3. Erika Steinmetz is a senior research scientist in the Department of Health Policy, Milken School of Public Health, GWU.
4. Patricia Pittman is an associate professor in the Department of Health Policy, Milken School of Public Health, GWU.