1. National Fisheries Resources Research Institute, Plot 45|49 Nile Crescent, Jinja P.O. Box 543, Uganda
2. Faculties of Life and Environmental Sciences, and Sociology, Anthropology and Folkloristics, University of Iceland, 102 Reykjavik, Iceland
3. Faculty of Economics, School of Social Sciences, University of Iceland, Sæmundargötu, 102 Reykjavik, Iceland
4. Marine Research Institute, Fornubúðir 5, 220 Hafnarfjörður, Iceland