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. Author manuscript; available in PMC: 2014 Mar 1.
Published in final edited form as: Contemp Clin Trials. 2012 Dec 22;34(2):282–295. doi: 10.1016/j.cct.2012.12.003

Table 1.

Number of randomized study participants by site

Site Control Intervention Total
Birmingham 59 58 117
Denver 96 91 187
San Diego 106 109 215
St Louis 87 87 174

TOTAL 348 345 693
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