1. Research Center for Global Food Security and Ecosystems (GFE), University of Hohenheim, Stuttgart, Germany
2. Institute of Agricultural Sciences in the Tropics (Hans-Ruthenberg-Institute), University of Hohenheim, Stuttgart, Germany
3. School of Agricultural Sciences, Makerere University, Kampala, Uganda
4. Department of Human Nutrition, Egerton University, Egerton, Kenya
5. Institute of Social Sciences in Agriculture, University of Hohenheim, Stuttgart, Germany