1. Polytechnic Institute of Viseu, Higher School of Education, Portugal & NECE Research Unit in Business Sciences, University of Beira Interior, Portugal
2. Polytechnic Institute of Viseu, Higher School of Education, Portugal & NECE Research Unit in Business Sciences, University of Beira Interior, Portugal
3. Higher Institute of Administration and Languages, Research Center – ISAL, Portugal & NECE- Research Unit in Business Sciences, University of Beira Interior, Portugal
4. University of Beira Interior, Department of Management and Economics, Portugal & NECE- Research Unit in Business Sciences, University of Beira Interior, Portugal