Study NCT00571701   Information provided by National Institute on Deafness and Other Communication Disorders (NIDCD)

First Received: December 10, 2007   Last Updated: September 8, 2009   History of Changes

Study Status:	This study is currently recruiting participants.
Estimated Study Completion Date:	July 2012
Estimated Primary Completion Date:	July 2012 (Final data collection date for primary outcome measure)