1. Department of Civil and Architectural Engineering University of Wyoming Laramie Wyoming
2. Smithsonian Tropical Research Institute Balboa Panama
3. Laboratorio de Investigación en Ingeniería y Ciencias Aplicadas, Centro Experimental de Ingeniería Universidad Tecnológica de Panamá/Sistema Nacional de Investigación, SENACYT Panama City Panama
4. Department of Earth and Environmental Science New Mexico Tech Socorro New Mexico
5. Department of Geology and Geophysics University of Wyoming Laramie Wyoming
6. School of Earth Sciences and Byrd Polar Climate Research Center The Ohio State University Columbus Ohio