- Prof. Pedro Mantas, University of Aveiro – Portugal (website)
- Prof. Felipe Bohn – Federal University of Rio Grande do Norte (website)
- Prof. José Milton Elias de Matos – Federal University of Piauí (website)
- Prof. Benjamin Zucolotto – Federal University of Ceará (website)
- Profs. Sérgio Luiz Jahn e Elvis Carissimi – Federal University of Santa Maria (website)
- Prof. Claudio Aguilar Ramirez – Technical Universiy of Federico Santa María (website)
- Prof. Domingo Ruiz – University of Santiago de Chile (website)
