5,000 years (4, 28, 31, 37, 38). The 14 clusters are: Mbugu , Chadic , Saharan Cushitic, Eastern Bantu , NiloSaharan , Saharan/ Dogon , Fulani , Western Bantu , S.African Khoesan / Mbuti , Niger Kordofanian , Sandawe , Central Sudanic , Hadza , W.Pygmy. Table S8 in the supplementary