1. Department of Public Health, Institute of Social and Cultural Studies, University of the Punjab, Pakistan;
2. Department of Community Medicine, Allama Iqbal Medical College, Lahore, Pakistan;
3. Department of Public Health Medicine School of Public Health, Bielefeld University, Bielefeld, Germany;
4. Rollins School of Public Health, Emory University, Atlanta, GA, USA;
5. Injury Control Research Center West Virginia University, Morgantown, WV, USA