[1] Univ La Frontera, Sci & Technol Bioresource Nucleus BIOREN UFRO, Temuco, Chile
[2] Univ La Frontera, Ctr Excelencia Psicol Econ & Consumo, Nucleo Ciencias Sociales, Temuco, Chile
[3] Univ La Frontera, Fac Ciencias Agr & Forestales, POB 54-D, Temuco, Chile
[4] Univ Catolica Santiago Guayaquil, Guayaquil, Ecuador
[5] Univ Talca, Fac Econ & Negocios, Talca, Chile
[6] Univ Catolica Maule, Dept Econ & Adm, Talca, Chile