Correction
Following publication of the original article [1], the authors reported a correction in the units in the methods section under “Subjects”
Originally, the sentence was stated as:
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(ii) exhibited no evidence of prostate cancer as determined by blood test (PSA < 4 mg/dL)
The correct sentence is:
(ii) exhibited no evidence of prostate cancer as determined by blood test (PSA < 4 ng/ml)
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