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Trial registration: must take place before or at the onset of enrolment
  1. Correspondence to Professor S Goodacre, Medical Care Research Unit, University of Sheffield, 23 Nairn Street, Sheffield S10 1UL, UK; s.goodacre{at}sheffield.ac.uk
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Goodacre S
Trial registration: must take place before or at the onset of enrolment

Publication history

  • Received January 1, 2014
  • Accepted January 5, 2014
  • First published February 13, 2014.

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