1. Departamento de Electronica, Sistemas e Informatica DESI, Instituto Tecnologico y de Estudios Superiores de Occidente ITESO
2. Klipsch School of Electrical and Computer Engineering, New Mexico State University
3. Facultad de Ingenieria, Universidad Autonoma del Estado de Mexico UAEM
4. National Institute for Astrophysics, Optics and Electronics, INAOE