1. Center for Research on Personality Development, SWPS University, Poznań, Poland
2. Faculty of Education, Bar-Ilan University, Ramat Gan, Israel
3. Faculty of Business Administration, Matsuyama University, Matsuyama, Japan
4. Department of Psychology, Springfield College, Springfield, Massachusetts, USA
5. Department of Psychology, Faculty of the Humanities, University of the Free State, Bloemfontein, South Africa
6. Graduate School of Humanities and Social Sciences, Hiroshima University, Hiroshima, Japan