1. MackGraphe, Graphene and Nanomaterials Research Center Mackenzie Presbyterian University São Paulo Brazil
2. Open Laboratory on Experimental Micro and Nano Mechanics Institute of Mechanics, Bulgarian Academy of Sciences Sofia Bulgaria
3. Research and Development of Nanomaterials and Nanotechnologies (NanoTech Lab Ltd.) Sofia Bulgaria
4. Institute of Macromolecular Chemistry Czech Academy of Sciences Prague Czech Republic