1. PhD Candidate, Department of Management and Operations, Universidade do Vale do Rio dos Sinos (UNISINOS), Flores da Cunha 93/406, CEP 93.010-160, São Leopoldo, State of Rio Grande do Sul, Brazil.
2. Professor, Department of Management and Operations, Universidade do Vale do Rio dos Sinos (UNISINOS), João Neves da Fontoura, 211/301, CEP 93.010-050, São Leopoldo, State of Rio Grande do Sul, Brazil.
3. PhD Candidate, Department of Management and Operations, Universidade do Vale do Rio dos Sinos (UNISINOS), Rua Livramento, 515, CEP 95.700-000, Bento Gonçalves, State of Rio Grande do Sul, Brazil.