Key points are not available for this paper at this time.
ClinicalTrials.gov NCT01887210; http://clinicaltrials.gov/ct2/show/NCT01887210 (Archived by WebCite at http://www.webcitation.org/6xHMW0NI1).
Whiteley et al. (Mon,) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: