1. Division of Materials ScienceLuleå University of Technology SE‐97 187 Luleå Sweden
2. Centre Català del Plàstic (CCP)Universitat Politècnica de Catalunya Barcelona Tech (EEBE‐UPC) C/Colom, 114 Terrassa 08222 Spain
3. Fibre and Particle EngineeringUniversity of Oulu FI‐90014 Oulu Finland
4. Mechanical and Industrial Engineering (MIE)University of Toronto Toronto M5S 3G8 Ontario Canada