1. Division of Operation and Maintenance, Luleå University of Technology, 97187 Luleå, Sweden
2. Division of Product Realization, Mälardalen University, 63220 Eskilstuna, Sweden
3. Division of Construction Technology, Dalarna University, 79188 Falun, Sweden
4. Research and Development Laboratory, SCANIA Technical Center, SCANIA AB, 15132 Södertälje, Sweden