1. WASCAL CCHH, Federal University of Technology,Minna,Nigeria
2. Earth Observation Center German Aerospace Center (DLR),Oberpfaffenhofen,Germany
3. German Aerospace Center (DLR) Julius-Maximilians-Universität Würzburg,Oberpfaffenhofen/Würzburg,Germany
4. Federal University of Technology,Department of Horticulture,Minna,Nigeria
5. University of Abomey-Calavi,Department of Geography,Abomey-Calavi,Benin