1. Department of Plant Breeding, Swedish University of Agricultural Sciences, Box 190, SE-23422 Lomma, Sweden
2. Fiber and Polymer Technology Department, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
3. Solid Mechanics, Lund Institute of Advanced Neutron and X-ray Science (LINXS), Lund University, Box
117, SE-221 00 Lund, Sweden