Submitted on: 18 August 2014.
Revised on: 17 September 2014.
Accepted on: 11 October 2014.
___________________African Journal of Primary Health Care & Family Medicine
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Submitted on: 29 January 2010.
Revised on: 15 May 2010.
Accepted on: 12 June 2010.
___________________African Journal of Primary Health Care & Family Medicine
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Submitted on: 09 November 2017.
Revised on: 16 February 2018.
Accepted on: 10 April 2018.
___________________African Journal of Primary Health Care & Family Medicine
Submitted on: 28 September 2007.
Revised on: 19 November 2007.
Accepted on: 01 December 2007.
___________________African Journal of Primary Health Care & Family Medicine