1. Natural Resources Institute Finland (Luke); Management and Production of Renewable Resources; FI-31600 Jokioinen Finland
2. Centre of Excellence in Biological Interactions Research; Department of Biological and Environmental Science; University of Jyväskylä; PO Box 35 FI-40014 Jyväskylä Finland
3. Natural Resources Institute Finland (Luke); Management and Production of Renewable Resources; Itäinen Pitkäkatu 3 FI-20520 Turku Finland