1. Center for Health Care Research & Policy, both in the School of Medicine, Case Western Reserve University, Cleveland, Ohio.
2. Weatherhead School of Management, and Senior Scholar, Center for Health Care Research and Policy, both at Case Western Reserve University, Cleveland, Ohio; National Bureau of Economic Research, Cambridge, Massachusetts; Levy Economics Institute, Annandale-on-Hudson, New York; Institute for the Study of Labor (IZA), Bonn, Germany.
3. H. John Heinz III School of Public Policy and Management, Carnegie Mellon University, Pittsburgh, Pennsylvania.
4. Weatherhead School of Management, Case Western Reserve University, Cleveland, Ohio; School of Medicine; Center for Health Care Research and Policy, Case Western Reserve University, Cleveland, Ohio.