Submitted on: 07 November 2000.
Revised on: 16 December 2000.
Accepted on: 08 January 2001.
Patient-Patient Centered Outcomes Research
Submitted on: 01 July 2003.
Revised on: 10 July 2003.
Accepted on: 04 August 2003.
Patient-Patient Centered Outcomes Research
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Submitted on: 17 April 2011.
Revised on: 25 May 2011.
Accepted on: 12 June 2011.
Patient-Patient Centered Outcomes Research