1. Faculty of Science, Charles University, Prague, Czech Republic
2. Department of Civil & Environmental Engineering, Universidad de la Costa, Barranquilla, Colombia
3. Department of Civil & Environmental Engineering, Universidad del Norte, Barranquilla, Colombia
4. Department of Civil, Construction and Environmental Engineering, North Carolina State University, Raleigh, NC, USA
5. Department of Civil, Architectural and Environmental Engineering, The University of Texas at Austin, Austin, TX, USA