1. Department of Archaeology and Conservation John Percival Building, Cardiff University, Colum Drive Cardiff, CF10 3EU United Kingdom
2. Faculty of Archaeology Adam Mickiewicz University, ul. Uniwersytetu Poznańskiego 7, 61–614 Poznań Poznań Poland
3. Institute of Archaeology and Ethnology University of Gdańsk, ul. Bielańska 5, 80–851 Gdańsk Gdańsk Poland
4. Department of Archaeology Environmental Building, Wentworth Way, University of York, York YO10 5NG York YO10 5NG United Kingdom
5. Oxford Radiocarbon Accelerator Unit Research Laboratory for Archaeology and the History of Art, Dyson Perrins Building, University of Oxford, Oxford OX1 3QY Oxford OX1 3QY United Kingdom
6. SUERC Radiocarbon Dating Laboratory Scottish Enterprise Technology Park, Rankine Avenue, East Kilbride, G75 0QF East Kilbride, G75 0QF United Kingdom
7. Cotswold Archaeology Building 11, Cotswold Business Park, Cirencester, GL7 6BQ Cirencester, GL7 6BQ United Kingdom
8. Historic England Cannon Bridge House, 25 Dowgate Hill, London, EC4R 2YA London, EC4R 2YA United Kingdom
9. Department of History Politics and Philosophy, Manchester Metropolitan University, Geoffrey Manton Building, Rosamund Street West, Manchester M15 6EB Manchester M15 6EB United Kingdom