1. School of Biological Sciences University of Bristol Bristol UK
2. Department of Biological Sciences Royal Holloway University of London Egham UK
3. Finland Natural Resources Institute Joensuu Finland
4. Faculty of Forestry Stefan cel Mare University of Suceava Suceava Romania
5. Laboratoire d'Inventaire Forestier IGN Nancy France
6. Department of Agriculture, Food, Environment and Forestry University of Florence Florence Italy
7. Conservation Research Institute University of Cambridge Cambridge UK