1. Escuela de Negocios Universidad Adolfo Ibáñez Santiago de Chile Chile
2. Centre for Health Economics and Policy Analysis McMaster University Hamilton ON Canada
3. Department of Health Research Methods, Evidence, and Impact McMaster University Hamilton ON Canada
4. Department of Economics McMaster University Hamilton ON Canada
5. Division of Health Policy and Administration, School of Public Health, University of Illinois at Chicago Chicago IL USA
6. National Bureau of Economic Research Cambridge MA USA