1. Faculty of Design, Universidad de Medellin, Medellin 050026, Colombia
2. Department of Architecture & Built Environment, Faculty of Engineering, The University of Nottingham, Nottingham NG7 2RD, UK
3. School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
4. Cenex, Loughborough LE11 3UZ, UK