1. Doctoral Researcher, Fiber and Particle Engineering Research Unit, Faculty of Technology, Univ. of Oulu, PO Box 4300, 90014 Oulu, Finland. ORCID: .
2. Doctoral Researcher, Process Metallurgy Research Unit, Faculty of Technology, Univ. of Oulu, PO Box 4300, 90014 Oulu, Finland.
3. Docent, Fiber and Particle Engineering Research Unit, Faculty of Technology, Univ. of Oulu, PO Box 4300, 90014 Oulu, Finland. ORCID: .
4. Professor, Fiber and Particle Engineering Research Unit, Faculty of Technology, Univ. of Oulu, PO Box 4300, 90014 Oulu, Finland (corresponding author).