Institution: | a Swedish National Road and Transport Research Institute, SE-58195 Linköping, Sweden b Division of Nuclear Physics, Department of Physics, Lund University, P.O. Box 118, SE-221 00 Lund, Sweden c Division of Ergonomics and Aerosol Technology, Department of Design Sciences, Lund University, P.O. Box 118, SE-221 00 Lund, Sweden |