1. Department of Civil, Architectural and Environmental Engineering, University of Miami, Coral Gables, FL 33146, USA
2. Departamento de Física y Matemáticas, Universidad de Alcalá. Ctra. Madrid-Barcelona, Km. 33,600, 28805 Alcalá de Henares, Spain
3. Ecole Nationale d'Ingénieurs de Gabès, University of Gabès, Rue Omar Ibn-Elkhattab 6029, Gabès, Tunisia
4. LASMAP, Ecole Polytechnique de Tunisie, University of Carthage, BP 743, La Marsa 2078, Tunisia