1 University of Ghent Centre for Bantu Studies, Department of Languages and Cultures, Ghent University, 9000 Ghent, Belgium; [email protected].
2 University of Ghent Centre for Bantu Studies, Department of Languages and Cultures, Ghent University, 9000 Ghent, Belgium.
3 Centre de Recherches en Archéologie et Patrimoine, Faculté de Philosophie et Sciences Sociales, Université Libre de Bruxelles, 1050 Brussels, Belgium.
4 Institut für Ur- und Frühgeschichte und Archäologie des Mittelalters, Universität Tübingen, 72074 Tübingen, Germany.
5 Institute for Archaeological Sciences, Goethe University, 60323 Frankfurt, Germany.
6 Faculté des Arts, Lettres et Sciences Humaines, Yaoundé University I, Yaoundé, Cameroon.