1. Department of Linguistics, Cognitive Science and Semiotics Aarhus University Aarhus Denmark
2. Gobierno de Cantabria Centro de Cuevas Prehistóricas Santander Spain
3. Instituto Internacional de Investigaciones Prehistóricas de Cantabria Universidad de Cantabria Santander Spain
4. Department of Archaeology University of York York UK
5. Department of Psychology University of Portsmouth Portsmouth UK
6. SapienCE Centre for Early Sapience Behaviour University of Bergen Bergen Norway
7. Departamento de Prehistoria, Historia Antigua y Arqueología Universidad Complutense de Madrid Madrid Spain
8. Department of Archaeology Aarhus University Aarhus Denmark