1. University of Gdansk, Faculty of Social Science,Institute of Sociology, Gdansk, ul. Bażynskiego 4, 80-309, Poland
2. University of Adam Mickiewicz, Faculty of Social Science, Institute of Sociology, ul. Szamrzewskiego 89, 60-568 Poznań, Poland
3. University of Gdansk, Faculty of Social Science,Institute of Sociology,ul. Bażynskiego 4, 80-309 Gdansk Poland