1. CE3C - Centre for Ecology, Evolution and Environmental Changes/Azorean Biodiversity Group and Universidade dos Açores - Departamento de Ciências Agrárias; Angra do Heroísmo Açores Portugal
2. Department of Life, Health & Environmental Sciences; University of L'Aquila; L'Aquila Italy
3. European Commission; Joint Research Centre; Institute for Environment and Sustainability; Ispra (VA) Italy