1. Kenton J. Johnston () is an assistant professor of health management and policy at Saint Louis University, in Missouri.
2. Hefei Wen is an assistant professor in the Division of Health Policy and Insurance Research, Department of Population Medicine, at Harvard Medical School and the Harvard Pilgrim Health Care Institute, in Boston, Massachusetts. This research was conducted when she was an assistant professor in the Department of Health Management and Policy at the University of Kentucky College of Public Health, in Lexington.
3. Karen E. Joynt Maddox is an assistant professor of medicine (cardiology) at the Washington University School of Medicine, in Saint Louis, Missouri.