1Assistant Professor, Department of Community Medicine, Government Medical College & Hospital, Chandigarh
2Professor & Head, Department of Community Medicine, Government Medical College & Hospital, Chandigarh
3Assistant Professor-cum-Statistician, Department of Community Medicine, Government Medical College & Hospital, Chandigarh
4Ex-Professor & Head, Department of Community Medicine, Government Medical College, Patiala (Punjab)
5Professor & Head, Department of Psychiatry, Government Medical College, Patiala (Punjab)
6Associate Professor, Department of Community Medicine, Government Medical College, Patiala (Punjab)
*Corresponding Author: Dr. Navpreet (M.D. Community Medicine), Department of Community Medicine, Government Medical College & Hospital, Chandigarh, India
Online published on 24 February, 2016.