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. Author manuscript; available in PMC: 2011 Jan 1.
Published in final edited form as: Omega (Westport). 2010;61(3):181–203. doi: 10.2190/OM.61.3.b
Contacted 1474
Eligibility Screened 976
Ineligible 143
Unable to attend/participate 44
Known Eligible 789
Eligibility Unknown 311
Eligible to participate 789 estimated as 976− (143 + 44)
1287 estimated as 1474 − (143 + 44)