Key points are not available for this paper at this time.
Trial registration number: UMIN000009768 . Name of registry: UMIN (University hospital Medical Information Network). Date of registration: 14 January 2013. Date of enrolment of the first participant to the trial: 23 January 2013.
Naito et al. (Tue,) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: