1 Human Factors and Complex Systems Group, Loughborough University Design School, Loughborough University, Loughborough, LE11 3TU, United Kingdom. Electronic address: p.waterson@lboro.ac.uk.
2 Institut National de l'Environnement Industriel et des Risques (INERIS), Parc Alata, 60550, Verneuil en Halatte, France.
3 DTU Management Engineering, Technical University of Denmark, Centrifugevej 2800 Kgs, Lyngb, Denmark.