1. Institute of Chemical Sciences and Engineering; Ecole Polytechnique Fédérale de Lausanne (EPFL); Lausanne CH -1015 Switzerland
2. Chemistry Department; Universidad del Valle; A.A. 25360 Cali Valle Colombia
3. Computer and Systems Engineering School; Universidad del Valle; A.A. 25360 Cali Valle Colombia
4. Departamento de Ciencias Básicas; Universidad Jorge Tadeo Lozano; Bogotá Colombia