1. Institute of Biology, Leiden University, Leiden, the Netherlands
2. Student Mammal Society Wrocław, University of Environmental and Life Sciences, Wrocław, Poland
3. Department of Vertebrate Ecology and Paleontology, Institute of Environmental Biology, Wrocław University of Environmental and Life Sciences, Wrocław, Poland
4. CERES International Project, Center for Conservation, Education, Recreation and Environmental Sustainability, Parque Natural Alentejano e Costa Vicentina, Aljezur, Portugal