1. School of Economics and Business, University of Ljubljana, Kardeljevaploscad 17, SI-1000, Slovenia
2. NOVA Information Management School (NOVA IMS), Universidade Nova de Lisboa, Campus de Campolide, 1070-312 Lisboa, Portugal
3. Campus Darcy Ribeiro, University of Brasilia, S/N, Asa Norte, 70910-900 Brasilia – DF, Brazil
4. NOVA Information Management School (NOVA IMS) Universidade Nova de Lisboa, Campus de Campolide Lisboa, 1070-312 Portugal