1. Forest & Landscape, Faculty of Life Sciences, University of Copenhagen; Rolighedsvej 23, DK 1958, Frederiksberg C, Denmark
2. Chemical Engineering, DONG Energy Power A/S; A.C. Meyers Vænge 9, DK 2450, Copenhagen SV, Denmark
3. Forest and Landscape, Faculty of Life Sciences, University of Copenhagen; Rolighedsvej 23, DK 1958, Frederiksberg C, Denmark