1. Assistant Professor, UiT-Norwegian Arctic Univ., Faculty of Engineering Science and Technology, Institute of Building, Energy and Material Technology, P.O. Box 385, 8505 Narvik, Norway (corresponding author).
2. Associate Professor, UiT-Norwegian Arctic Univ., Faculty of Engineering Science and Technology, Institute of Building, Energy and Material Technology, P.O. Box 385, 8505 Narvik, Norway.
3. Professor, UiT-Norwegian Arctic Univ., Faculty of Engineering Science and Technology, Institute of Building, Energy and Material Technology, P.O. Box 385, 8505 Narvik, Norway.