1. School of Business, Universidad Adolfo Ibáñez, Avenida Diag Las Torres 2640, Santiago 7941169, Chile
2. Instituto de Nutriciόn y Tecnología de los Alimentos (INTA), Universidad de Chile, Santiago 7830490, Chile
3. Department of Nutrition, University of North Carolina at Chapel Hill, 123 W Franklin St, Suite 210, CB 8120, Chapel Hill, NC 27516, USA