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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 1 January 2014
  • Accepted 5 January 2014
  • Published in print 1 March 2014.
  • Published online 13 February 2014.

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