1. Professor, Heriot Watt Univ., Institute for Infrastructure and Environment, School of the Built Environment, Edinburgh, EH14 4AS, Scotland, UK (corresponding author).
2. Professor, Heriot Watt Univ., Institute for Infrastructure and Environment, School of the Built Environment, Edinburgh, EH14 4AS, Scotland, UK.
3. Research Associate, Heriot Watt Univ., Institute for Infrastructure and Environment, School of the Built Environment, Edinburgh, EH14 4AS, Scotland, UK.
4. Research Assistant, Heriot Watt Univ., Institute for Infrastructure and Environment, School of the Built Environment, Edinburgh, EH14 4AS, Scotland, UK.
5. Senior Lecturer, Heriot Watt Univ., Institute for Infrastructure and Environment, School of the Built Environment, Edinburgh, EH14 4AS, Scotland, UK.
6. Professor, Queen’s Univ., School of Planning, Architecture and Civil Engineering, Belfast, BT7 1NN, Northern Ireland, UK.
7. Lecturer, Queen’s Univ., School of Planning, Architecture and Civil Engineering, Belfast, BT7 1NN, Northern Ireland, UK.
8. Research Assistant, Queen’s Univ., School of Planning, Architecture and Civil Engineering, Belfast, BT7 1NN, Northern Ireland, UK.
9. Assistant Lecturer, Dublin Institute of Technology, Dept. of Civil Engineering, Bolton Street, Dublin, 1, Ireland; formerly, Research Associate, Queen’s Univ., Belfast.