1. Department of Agricultural Economics; Faculty of Bioscience Engineering; Ghent University; Coupure links 653 9000 Ghent Belgium
2. ESPAE Graduate School of Management; Escuela Superior Politécnica del Litoral (ESPOL); Campus Las Peñas, Malecón No.100 Guayaquil Ecuador
3. Center of Rural Research; Faculty of Mechanical Engineering and Production Sciences; Escuela Superior Politécnica del Litoral (ESPOL); Campus Gustavo Galindo, Km. 30.5 Vía Perimetral P. O. Box 09-01-5863 Guayaquil Ecuador
4. Consumer and Sensory Research Institute; ul.Sienna 55/9 00-820 Warsaw Poland