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Submitted on: 19 March 1999.
Revised on: 08 May 1999.
Accepted on: 20 June 1999.
___________________AUSTRALIAN AND NEW ZEALAND JOURNAL OF PSYCHIATRY
Submitted on: 04 March 2001.
Revised on: 02 June 2001.
Accepted on: 26 July 2001.
___________________AUSTRALIAN AND NEW ZEALAND JOURNAL OF PSYCHIATRY
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