1. Sayeh Nikpay ( ) is an assistant professor in the Department of Health Policy at the Vanderbilt University School of Medicine, in Nashville, Tennessee.
2. Thomas Buchmueller is the Waldo O. Hildebrand Professor of Risk Management and Insurance in the Ross School of Business at the University of Michigan, in Ann Arbor.
3. Helen G. Levy is a research associate professor in the Institute for Social Research at the University of Michigan.