1. Department of Sustainable Agricultural Systems, Division of Organic Farming, University of Natural Resources and Life Sciences (BOKU), Gregor-Mendel-Strasse 33, 1180 Vienna, Austria
2. Faculty of Agriculture and Environmental Sciences, Mountains of the Moon University (MMU), Fort Portal P.O. Box 837, Uganda
3. Department of Sustainable Agricultural Systems, Institute for Development Research, University of Natural Resources and Life Sciences (BOKU), Peter-Jordan-Strasse 76, 1190 Vienna, Austria
4. Faculty of Science, Technology and Innovation, Mountains of the Moon University (MMU), Fort Portal P.O. Box 837, Uganda