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Submitted on: 16 December 1999.
Revised on: 17 February 2000.
Accepted on: 14 April 2000.
___________________JOURNAL OF EARLY INTERVENTION---SAGE PUBLICATIONS INC
Submitted on: 21 October 2012.
Revised on: 27 January 2013.
Accepted on: 21 February 2013.
___________________JOURNAL OF EARLY INTERVENTION---SAGE PUBLICATIONS INC
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