Department of Hydrology and Water Resources-University of Arizona, John W. Harshbarger Building 1133 E. North Campus Dr., Tucson, Az 85721 ; Universidad de Antioquia, Calle 67 Nº 53-108 Bloque 20-415, Medellin, n/a Colombia
Department of Civil Engineering. Universidad de Castilla La Mancha, Avda. Camilo José Cela, s/n, Ciudad Real, 13071 Spain
Department of Civil Engineering and Engineering Mechanics, University of Arizona, CE Bldg, Room 206 University of Arizona, Tucson, AZ 85721