We're building a better ClinicalTrials.gov. Check it out and tell us what you think!
Try the New Site
We're building a modernized ClinicalTrials.gov! Visit Beta.ClinicalTrials.gov to try the new functionality.
Working…
ClinicalTrials.gov

Exit Notice

You are about to leave ClinicalTrials.gov and go to: Link to open access published protocol URL: http://bmjopen.bmj.com/content/2/6/e002359.abstract?sid=2efaa72e-9975-448a-b2cf-2ef2c60aff50

Click on the link to continue or return to ClinicalTrials.gov Home