1. Fangli Geng () is a student in the PhD Program in Health Policy, Harvard University Graduate School of Arts and Sciences, in Cambridge, Massachusetts.
2. David G. Stevenson is a professor in the Department of Health Policy, Vanderbilt University School of Medicine, in Nashville, Tennessee. He is also affiliated with the Geriatric Research, Education and Clinical Center (GRECC) Service, Veterans Affairs Medical Center, Tennessee Valley Healthcare System, in Nashville.
3. David C. Grabowski is a professor in the Department of Health Care Policy, Harvard Medical School, in Boston, Massachusetts.