1. Systems and Production Engineering Department, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
2. Transport and Production Engineering Department, Universidade Federal do Rio Grande do Sul, Av. Osvaldo Aranha 99, CEP 90035190, Porto Alegre, RS, Brazil
3. Business Management School, University of South Carolina, 1014 Greene Street, Columbia, SC 29205, USA