Published on in Vol 17, No 2 (2015): February
1 Bar Ilan University, Faculty of Medicine in the Galilee, Safed, Israel
2 Faculty of Social Welfare and Health Studies, School of Public Health, University of Haifa, Haifa, Israel
3 Faculty of Social Welfare and Health Studies, University of Haifa, Haifa, Israel
4 Center for Internet Research, University of Haifa, Haifa, Israel