From the *Cecil G. Sheps Center for Health Services Research, University of North Carolina at Chapel Hill, †Departments of Obstetrics and Gynecology and ‡Social Medicine, University of North Carolina at Chapel Hill, and §Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC.
Acknowledgment date: March 1, 2006. First revision date: June 4, 2007. Second revision date: September 27, 2007. Acceptance date: December 18, 2007.
The manuscript submitted does not contain information about medical device(s)/drug(s).
Federal, institutional, and foundation funds were received in support of this work. No benefits in any form have been or will be received from a commercial party related directly or indirectly to the subject of this manuscript.
Supported, in part, by a National Research Service Award Pre-Doctoral and Post-Doctoral Fellowship from the Agency for Healthcare Research and Quality sponsored by the Cecil G. Sheps Center for Health Services Research, University of North Carolina at Chapel Hill, Grant No. T32HS00032 and Research Grant No. HS08293 and also supported by the Foundation for Physical Therapy.
Address correspondence and reprint requests to Thelma Mielenz, PhD, PT, OCS, Assistant Professor, Division of Physical Therapy, The University of North Carolina at Chapel Hill, CB# 7280, 3330 Thurston Building, Chapel Hill, NC 27599-7280; E-mail: [email protected]
