1. Department of Archaeology, University of York, Heslington YO10 5DD, UK
2. Department of Archaeology, The University of Cambridge, Cambridge CB2 3DZ, UK
3. Institute of Archaeology, Centre for Applied Archaeology, Nicolaus Copernicus University in Toruń, Szosa Bydgoska 44/48, 87-100 Toruń, Poland
4. Department of Vertebrate Zoology, Institute of Systematics and Evolution of Animals, Polish Academy of Sciences, Sławkowska 17, 31-016 Kraków, Poland