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Submitted on: 23 September 2004.
Revised on: 08 December 2004.
Accepted on: 10 January 2005.
___________________Journal of Audiology and Otology
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Submitted on: 12 November 2011.
Revised on: 05 December 2011.
Accepted on: 21 January 2012.
___________________Journal of Audiology and Otology