1. Department of Sociology, Anthropology & Criminal Justice, College of Behavioral, Social and Health Sciences, Clemson University, Clemson, SC 29634, USA
2. Center for Peace Studies and Violence Studies, Department of Sociology, College of Liberal Arts and Human Sciences, Virginia Tech, Blacksburg, VA 24061, USA
3. Faulty of Social Sciences, Tampere University, 33100 Tampere, Finland
4. URMIS, Department of Education Sciences, Université Côte d’Azur, 06103 Nice, France
5. Department de Educación, University of Cordoba, 14001 Cordoba, Spain
6. School of Economics, University of Turku, 20100 Turku, Finland