1. Department of Infrastructure Engineering, The University of Melbourne, Parkville, Australia.
2. Department of Infrastructure Engineering, The University of Melbourne, Parkville, Australia; also Engineering Department, University of Cambridge, Cambridge, UK.
3. Department of Civil and Construction Engineering, Swinburne University of Technology, Melbourne, Australia.
4. School of Civil Engineering, and Center of Excellence in Innovation for Sustainable Infrastructure Development, Suranaree University of Technology, Nakhon Ratchasima, Thailand.