1. Department of Archaeology, Classics and Egyptology, University of Liverpool, 12-14 Abercromby Square, Liverpool, L69 7WZ, United Kingdom
2. Histoire Naturelle de l’Homme Préhistorique, Museum National d’Histoire Naturelle, 57 Rue Cuvier, Paris 75005, France
3. Ethiopian Heritage Authority, National Museum of Ethiopia, King George VI Street, Addis Ababa, Ethiopia
4. Department of Archaeology, National Museums of Kenya, Kipande Nairobi, Kenya
5. Department of Archaeology, Max Planck Institute for Geoanthropology, Kalhaischestraße 10, Jena, 07745, Germany
6. School of Archaeology, University of the Philippines Diliman, Quezon City, 1101, Philippines
7. Pan-African Evolution Research Group, Max Planck Institute for Geoanthropology, Kalhaischestraße 10, Jena, 07745, Germany and Centre for Quaternary Research, Department of Geography, Royal Holloway, University of London, Egham, TW20 0EX, United Kingdom