1. Department of Forest Economics, Swedish University of Agricultural Sciences, Umeå, Sweden
2. Natural Resources Institute Finland (Luke), Vantaa, Finland
3. Department of Historical, Philosophical and Religious Studies, Umeå University, Umeå, Sweden
4. Department of Forest Resource Management and Division of Forest Planning, Swedish University of Agricultural Sciences, Umeå, Sweden
5. Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, Umeå, Sweden