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Submitted on: 01 July 2015.
Revised on: 10 August 2015.
Accepted on: 22 September 2015.
___________________JOURNAL OF SPEECH LANGUAGE AND HEARING RESEARCH
Submitted on: 10 December 2007.
Revised on: 13 February 2008.
Accepted on: 16 March 2008.
___________________JOURNAL OF SPEECH LANGUAGE AND HEARING RESEARCH
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Submitted on: 30 June 2011.
Revised on: 29 September 2011.
Accepted on: 05 November 2011.
___________________JOURNAL OF SPEECH LANGUAGE AND HEARING RESEARCH