1. NECE Research Unit, University of Beira Interior & Departmental Unit Business Sciences, Polytechnic Institute of Tomar, Tomar, Portugal
2. Department of Business and Economics & NECE Research Unit, University of Beira Interior, Covilhã, Portugal
3. QUT-Australian, Centre for Entrepreneurship Research, Brisbane, Australia
4. Departmental Unit Business Sciences, Polytechnic Institute of Tomar & Techn & Art, Tomar, Portugal