Submitted on: 06 October 2021.
Revised on: 22 December 2021.
Accepted on: 30 January 2022.
___________________International Journal of Preventive Medicine
Submitted on: 08 August 2011.
Revised on: 10 October 2011.
Accepted on: 07 November 2011.
___________________International Journal of Preventive Medicine
Submitted on: 11 August 2013.
Revised on: 16 September 2013.
Accepted on: 16 October 2013.
___________________International Journal of Preventive Medicine
Submitted on: 25 October 2002.
Revised on: 22 February 2003.
Accepted on: 20 March 2003.
___________________International Journal of Preventive Medicine
Submitted on: 22 April 2017.
Revised on: 03 July 2017.
Accepted on: 30 August 2017.
___________________International Journal of Preventive Medicine
Submitted on: 30 November 2009.
Revised on: 17 March 2010.
Accepted on: 10 April 2010.
___________________International Journal of Preventive Medicine
Submitted on: 12 April 2015.
Revised on: 11 July 2015.
Accepted on: 31 July 2015.
___________________International Journal of Preventive Medicine
Submitted on: 01 January 1998.
Revised on: 15 April 1998.
Accepted on: 06 June 1998.
___________________International Journal of Preventive Medicine
Submitted on: 01 April 2006.
Revised on: 16 July 2006.
Accepted on: 22 August 2006.
___________________International Journal of Preventive Medicine
Submitted on: 08 April 2016.
Revised on: 09 July 2016.
Accepted on: 07 August 2016.
___________________International Journal of Preventive Medicine