1. Regional Research School in Forest Sciences (REFOREST), College of Forestry, Wildlife and Tourism Sokoine University of Agriculture Morogoro Tanzania
2. Centre for Environmental and Resource Economics, CERE, Umeå School of Business and Economics Umeå University Umeå Sweden
3. Department of Forest Economics Swedish University of Agricultural Sciences (SLU) Umeå Sweden
4. Department of Business Administration, Technology and Social Sciences Luleå University of Technology Luleå Sweden
5. Department of Forest and Environmental Economics Sokoine University of Agriculture Morogoro Tanzania