1. Department of Aeronautical and Automotive Engineering, Loughborough University, Loughborough, U.K.
2. Advanced Virtual Reality Research Centre, Wolfson School of Mechanical, Electrical and Manufacturing Engineering, Loughborough University, Loughborough, U.K.
3. School of Engineering, University of Lincoln, Lincoln, U.K.
4. Department of Computer Science, Loughborough University, Loughborough, U.K.
5. Department of Ergonomics and Human Machine Systems Research Area, Fraunhofer Institute for Communication, Information Processing and Ergonomics FKIE, Wachtberg, Germany