Study NCT00634933   Information provided by Wyeth is now a wholly owned subsidiary of Pfizer

First Received: March 5, 2008   Last Updated: June 17, 2011   History of Changes

Study Status:	This study is ongoing, but not recruiting participants.
Estimated Study Completion Date:	September 2011
Primary Completion Date:	February 2010 (Final data collection date for primary outcome measure)