1. Department of Sociology, CIDEHUS Research Unit, School of Social Sciences University of Évora Évora Portugal
2. Department of Sociology, Colégio do Espírito Santo, School of Social Sciences University of Évora Évora Portugal
3. Department of Industrial Engineering, and Tourism, GOVCOPP Research Unit University of Aveiro Aveiro Portugal
4. Department of Industrial Engineering, and Tourism University of Aveiro, Campus Universitário de Santiago Aveiro Portugal