1. Department of Wood Science and Technology, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia
2. Faculty of Forestry, University of Belgrade, Belgrade, Serbia
3. Faculty of Forestry and Wood Technology, University of Zagreb, Zagreb, Croatia
4. Faculty of Mechanical Engineering, University of Sarajevo, Sarajevo, BiH
5. Department of Forestry and Natural Resources, Purdue University, West Lafayette, IN, USA
6. Department of Forestry and Renewable Forest Resources, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia