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Opting In vs Opting Out

This study has been completed.
Gilstrap, Larry C, M.D.
Information provided by (Responsible Party):
Susan Wootton, The University of Texas Health Science Center, Houston Identifier:
First received: October 27, 2010
Last updated: June 26, 2013
Last verified: June 2013
No Study Results Posted on for this Study
  Study Status: This study has been completed.
  Study Completion Date: August 2011
  Primary Completion Date: March 2011 (Final data collection date for primary outcome measure)