1. University of the Basque Country, Research Group on Heritage and Cultural Landscapes, Vitoria-Gasteiz, Spain
2. Department of Archaeology, Aranzadi Science Society, Donostia, Spain
3. Department of Geography, Prehistory, and Archaeology, University of the Basque Country, Vitoria-Gasteiz, Spain
4. Laboratory of Human Evolution-IsoTOPIK Lab, Department of History, Geography and Communication, University of Burgos, Burgos, Spain