1. Department of Mechanical and Materials Engineering, University College Dublin, Dublin, Ireland.
2. Department of Materials, ETH, Zurich, Switzerland.
3. Soils and Analytical Services Department, Teagasc, Johnstown Castle Research Centre, Wexford, Ireland.
4. School of Science and Technology, Nottingham Trent University, Nottingham, United Kingdom.
5. School of Architecture, Design and Built Environment, Nottingham Trent University, Nottingham, United Kingdom.