1. LEAF (Linking Landscape, Environment, Agriculture and Food)/DRAT (Departamento dos Recursos Naturais, Ambiente e Território), Instituto Superior de Agronomia, University of Lisbon, 1349-017 Lisbon, Portugal
2. Instituto Nacional de Investigação Agrária e Veterinária, IP, Av. República, Quinta do Marquês, Nova Oeiras, 2784-505 Oeiras, Portugal
3. LEPABE (Laboratory for Process Engineering, Environment, Biotechnology and Energy), Rua Dr Roberto Frias, 4200-264 Porto, Portugal
4. Department of Chemical Engineering, University of Porto, Rua Dr Roberto Frias, 4200-264 Porto, Portugal