1. Sustainability Advisory Oy, 00260 Helsinki, Finland
2. Viikki Tropical Resources Institute (VITRI), Department of Forest Sciences, University of Helsinki, Latokartanonkaari 7, P.O. Box 27, 00014 Helsinki, Finland
3. Independent Researcher, Washington, DC 20001, USA
4. Helsinki Institute of Sustainability Science (HELSUS), University of Helsinki, 00014 Helsinki, Finland
5. Independent Researcher, Victoria, BC V8P 0A7, Canada