Institution: | aDepartment of Applied Biology, University of Helsinki, POB 27, FIN-00014 Helsinki, Finland;bInstitute of Biotechnology and Department of Biosciences, University of Helsinki, POB 56 (Viikinkaari 5D), FIN-00014 Helsinki, Finland;cForest Research Institute, POB 18, FIN-01301 Vantaa, Finland |