1. Lecturer, School of Construction Management and Engineering, Univ. of Reading, Whiteknights, Reading RG6 6AW, U.K.
2. Professor, School of Civil Engineering and the Built Environment, Queensland Univ. of Technology, Gardens Point, Brisbane, QLD 4001, Australia.
3. Associate Professor, School of Civil Engineering, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain (corresponding author).
4. Assistant Professor, Dept. of Public Policy, City Univ. of Hong Kong, Tat Chee Ave., Kowloon, Hong Kong.