1. Department of Sociology, Forman Christian College University, Lahore, Punjab, Pakistan
2. Institute of Public Health, King Edward Medical University, Lahore, Pakistan
3. Department of Applied Psychology, Lahore College for Women University, Lahore, Pakistan
4. Department of Surgery, King Edward Medical University, Lahore, Pakistan
5. Institute of Public Health, Charité– Universitätsmedizin Berlin, Berlin, Germany
6. Institute of Gerontological Health Services and Nursing Research, Ravensburg-Weingarten University of Applied Sciences, Weingarten, Germany