1. Graduate Program of Toxicological Biochemistry Universidade Federal de Santa Maria Santa Maria Brazil
2. Graduate Program of Animal Science Universidade do Estado de Santa Catarina Chapecó Brazil
3. Laboratory of Nanotechnology Universidade Franciscana Santa Maria Brazil
4. Laboratory of Atomic Force Microscopy Universidade Federal do Pampa Bagé Brazil
5. Graduate Program of Pharmacology Universidade Federal de Santa Maria Santa Maria Brazil