1. ISCTE Business School, BRU-IUL, University Institute of Lisbon, Avenida das Forças Armadas, 1649-026 Lisbon, Portugal
2. ISCTE Business School, BRU-IUL, University Institute of Lisbon, Avenida das Forças Armadas, 1649-026 Lisbon, Portugal; Fogelman College of Business and Economics, University of Memphis, TN 38152-3120 Memphis, USA
3. Faculty of Social Sciences, CiTUR Madeira, University of Madeira, Campus Universitário da Penteada, 9020-105 Funchal, Portugal