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Submitted on: 04 May 2001.
Revised on: 31 August 2001.
Accepted on: 26 September 2001.
___________________Addiction Science & Clinical Practice
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Submitted on: 13 July 1999.
Revised on: 09 November 1999.
Accepted on: 20 November 1999.
___________________Addiction Science & Clinical Practice
Submitted on: 25 September 2010.
Revised on: 09 January 2011.
Accepted on: 24 February 2011.
___________________Addiction Science & Clinical Practice
Submitted on: 16 February 2016.
Revised on: 15 June 2016.
Accepted on: 18 July 2016.
___________________Addiction Science & Clinical Practice
Submitted on: 27 March 2008.
Revised on: 01 May 2008.
Accepted on: 16 May 2008.
___________________Addiction Science & Clinical Practice
Submitted on: 27 January 2009.
Revised on: 16 March 2009.
Accepted on: 13 May 2009.
___________________Addiction Science & Clinical Practice
Submitted on: 18 August 2010.
Revised on: 22 September 2010.
Accepted on: 19 October 2010.
___________________Addiction Science & Clinical Practice
Submitted on: 13 June 2015.
Revised on: 10 October 2015.
Accepted on: 27 November 2015.
___________________Addiction Science & Clinical Practice