1. Forest Research Centre (CEF), Associate Laboratory TERRA, School of Agriculture University of Lisbon Lisbon Portugal
2. Department of Crop Production and Engineer Projects, Higher Polytechnic School of Engineer University of Santiago de Compostela Lugo Spain
3. Department of Biological Sciences Dartmouth College Hanover New Hampshire USA
4. CENSE – Center for Environmental and Sustainability Research & CHANGE – Global Change and Sustainability Institute, Department of Environmental Sciences and Engineering, NOVA School of Science and Technology NOVA University Lisbon Caparica Portugal