1. Department of Industrial Engineering; Universidad Catolica del Norte; Angamos 0610 Antofagasta Chile
2. Industrial and Systems Engineering; University at Buffalo, The State University of New York; Buffalo NY 14260 U.S.A.
3. Urban and Regional Planning; University at Buffalo, The State University of New York; Buffalo NY 14260 U.S.A.
4. Civil, Structural, and Environmental Engineering and Industrial and Systems Engineering; University at Buffalo, The State University of New York; Buffalo NY 14260 U.S.A.