1. Nottingham Trent University, School of Architecture, Design and the Built Environment, Burton Street, Nottingham NG1 4BU, United Kingdom
2. National University of Sciences and Technology, College of Electrical and Mechanical Engineering, NUST Campus, H-12, Islamabad, Pakistan
3. Fugro Roadware, 2505 Meadowvale Boulevard, Mississauga, Ontario L5N 5S2, Canada
4. Brunel University, Department of Civil Engineering, Kingston Lane, Uxbridge UB8 3PH, United Kingdom