1. Centro Universitario UAEM Ecatepec, Universidad Autónoma del Estado de México, Ecatepec, México
2. Department of Electrical Engineering, The University of Texas at Dallas, Richardson, TX, USA
3. Department of Bioengineering, The University of Texas at Dallas, Richardson, TX, USA
4. Centro de Ingeniería y Desarrollo Industrial, Queretaro, México
5. Centro de Nanociencias y Micro y Nanotecnologías, Instituto Politécnico Nacional, Ciudad de México, México
6. Department of Material Science and Engineering and the Department of Mechanical Engineering, The University of Texas at Dallas, Richardson, TX, USA
7. Departamento de Fisica, Universidad de Sonora, Hermosillo, México