1. WASCAL Graduate Research Program in Climate Change and Biodiversity, Université Felix Houphouët Boigny, Abidjan, Côte d’Ivoire
2. Faculty of Renewable Natural Resources, Kwame Nkrumah University of Science & Technology, Kumasi, Ghana
3. Institute of Biosciences, Department of Botany, University of Rostock, Rostock, Germany