By Eric Calais1, Andrew Freed1, Glen Mattioli2, Pamela Jansma2, Falk Amelung3, Timothy Dixon3, Sigurjon Jonsson4, Claude Prepetit5, Roberte Momplaisir6
1. Purdue University 2. University of Arkansas 3. Miami Univeristy 4. King Abdullah University 5. Bureau des Mines, Haiti 6. Universit´e d’Etat d’Haiti
