1. Department of Electrical Engineering, Universidad Autónoma Metropolitana, Unidad Iztapalapa, México, City;
2. Department of Tissue Engineering, Child Hospital of México Federico Gómez, México, City;
3. Department of Physics, Universidad Autónoma Metropolitana, Unidad Iztapalapa, México, City;
4. Department of Pathology, Morelense Child Hospital, Morelos, México