1. Department of Civil and Environmental Engineering, Rensselaer Polytechnic Institute, 110 8th Street, Troy, NY 12180
2. Department of Engineering and Sciences, Adolfo Ibáñez University, 750 Padre Hurtado, Room A 325, Viña del Mar, Valparaíso Region, Chile
3. Universidad Ibero-Americana, Santo Domingo, Dominican Republic.