1. Mackenzie Institute for Research in Graphene and Nanotechnologies – MackGraphe Mackenzie Presbyterian University São Paulo SP Brazil
2. Engineering School Mackenzie Presbyterian University São Paulo SP Brazil
3. Institute of Macromolecular Chemistry of the Czech Academy of Sciences Prague Czech Republic
4. Departamento de ingeniería eléctrica, Facultad de ingeniería Universidad Católica de la Santísima Concepción Concepción Chile