1. NOVA SBE Health Economics & Management Knowledge Center, NOVA SBE, Universidade Nova de Lisboa, Carcavelos, Portugal
2. Department of Political Studies and Portuguese Institute of International Relations (IPRI), NOVA School of Social Sciences and Humanities, Universidade Nova de Lisboa, Lisbon, Portugal
3. NOVA School of Business and Economics, Nova SBE, Universidade Nova de Lisboa, Carcavelos, Portugal