Submitted on: 03 November 1998.
Revised on: 18 December 1998.
Accepted on: 07 February 1999.
___________________JOURNAL OF NERVOUS AND MENTAL DISEASE
Submitted on: 10 October 2010.
Revised on: 24 January 2011.
Accepted on: 17 March 2011.
___________________JOURNAL OF NERVOUS AND MENTAL DISEASE
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