1. Iziko Museums of Cape Town, South African Museum, Post Office Box 61, Cape Town, 8000, South Africa.
2. Department of Anthropology, State University of New York at Stony Brook, NY, 11794, USA.
3. Centre for Development Studies, University of Bergen, Strømgaten, 54, 5007 Bergen, Norway.
4. Institut de Préhistoire et de Géologie du Quaternaire, UMR 5808 du CNRS, Avenue des Facultés, 33405, Talence, France.
5. Luminescence Dating Laboratory, Institute of Geography and Earth Sciences, University of Wales, Aberystwyth, SY23 3DB, UK.
6. Laboratoire des Sciences du Climat et de l'Environnement, UMR CEA-CNRS, Avenue de la Terrasse, 91198 Gif-sur-Yvette cedex, France.
7. Department of Archaeology, University of Cape Town, Private Bag, Rondebosch, 7701, Cape Town, South Africa.