1. Center for Biomedical Technology, Universidad Politécnica de Madrid, Pozuelo de Alarcón, Spain
2. Escuela Técnica Superior de Ingenieros Informáticos, Universidad Politécnica de Madrid, Boadilla del Monte, Spain
3. Faculty of Agricultural Engineering, University of Concepción, Chillán, Chile
4. Water Research Center for Agriculture and Mining, CRHIAM, University of Concepción, Chillán, Chile