1. Geology & Geophysics Texas A&M University College Station TX USA
2. Environmental Health Instituto Nacional de Salud Pública Cuernavaca México
3. Civil & Environmental Engineering Texas A&M University College Station TX USA
4. Water Resources Management Wageningen University Wageningen The Netherlands
5. Mines, Metallurgy and Geology Engineering University of Guanajuato Guanajuato México
6. Public Health Texas A&M University College Station TX USA
7. Agricultural Economics Texas A&M University College Station TX USA
8. Geomatic and Hydraulic Engineering University of Guanajuato Guanajuato México
9. Geological Sciences University of Texas at San Antonio San Antonio TX USA
10. Caminos de Agua San Miguel de Allende México