1. Department of Geological Sciences; University of Canterbury; New Zealand
2. School of Earth Sciences; The University of Melbourne; Victoria 3010 Australia
3. Centre for Nuclear Technologies; Technical University of Denmark; DTU-Nutech DTU Risø Campus DK-4000, Roskilde Denmark
4. Nordic Laboratory for Luminescence Dating, Department of Geoscience; Aarhus University; DTU Risø Campus DK-4000, Roskilde Denmark
5. Department of Soil and Physical Sciences; Lincoln University; New Zealand