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Submitted on: 31 October 2002.
Revised on: 31 December 2002.
Accepted on: 14 February 2003.
___________________Journal of Mental Health---TAYLOR & FRANCIS INC
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Submitted on: 26 September 2006.
Revised on: 16 November 2006.
Accepted on: 07 December 2006.
___________________Journal of Mental Health---TAYLOR & FRANCIS INC