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Article
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2006
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Elsevier Science
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English
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DJK, JJC, and KLH conceived the study. DJK designed the trial. JJC, MWM, WKC, PS, JWU, DAW, and KLH assisted with trial design. DJK obtained funding. LKK was the primary biostatistical consultant. RAH developed and tested the data collection instrument. JJC, MWM, WKC, and DAW led execution at the st