1. Department of Technical Physics, University of Eastern Finland, P.O. Box 1627, 70211 Kuopio, Finland
2. Department of Forest Biomaterials and Technology, Swedish University of Agricultural Sciences, Vallvägen 9C, 75007 Uppsala, Sweden
3. Department of Forestry and Wood Technology, Linnaeus University, Lückligs Plats 1, 35195 Växjö, Sweden
4. College of Forest Resources and Environmental Science, Michigan Technological University, Houghton, MI 49931, USA
5. IKEA Industry AB, Skrivaregatan 5, 21532 Malmö, Sweden
6. Department of Wood Science and Technology, Biotechnical Faculty, University of Ljubljana, Rožna Dolina C VIII/34, SI-1000 Ljubljana, Slovenia