Africa University Egypt-University Universite de Cocody -Cote d'ivoire University of Liberia Universite de Conakry University of Ghana Universite de Bamako- Mali Universite de Dakar University of Gambia Universite de Ouagadougou Burkina Fasso University Lagos -Nigeria Universite de Nouakchott -Mauritanie Universite Mohamed V -Morroco Universite de Tunis -Tunisia University of Addis Ababa -Ethiopia University of Asmara-Errythrea University of Maputo-Mozambique University of Mombassa-Kenya Universite de Bangui -Centre Africa Universite de Yaounde -Cameroun