1The World Bank, Washington D.C., USA 2Soul Healthecare Consulting, Buenos Aires, Argentina 3University of York, Centre for Health Economics, York, U.K 4Center for the Evaluation of Value and Risk in Health, Tufts Medical Center, Institute for Clinical and Economic Review (ICER), Boston, MA, USA 5San Andres University, Buenos Aires, Argentina 6Inter-American Development Bank Health, Nutrition and Population Division, Washington D.C., U.S.A 7Inter-American Development Bank, Health, Nutrition...