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First Author:
 
Paulo Marschner
Catholic University of Brasília
paulofernandomarschner@hotmail.com
 
 
 
 

Second Author:

Victor Fetzer
Federal University of Santa Maria
victormedeirosfetzer@outlook.com
 
 
 
 

Third Author:

Paulo Sergio Ceretta
Federal Univesity of Santa Maria
ceretta10@gmail.com
 
 
 
 

Fourth Author:

Carlos Gutierrez
Catholic University of Brasília
carloshenrique@p.ucb.br