1. Yuting Zhang () is an assistant professor of health economics in the Department of Health Policy and Management, University of Pittsburgh (Pennsylvania). Julie Donohue also is an assistant professor in that department. Joseph Newhouse is the John D. MacArthur Professor of Health Policy and Management, Division of Health Policy Research and Education, at Harvard University in Boston. Judith Lave is a professor in the Department of Health Policy and Management at the University of Pittsburgh.