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  1. Correspondence to Nicolas Regamey M.D., Division of Paediatric Respiratory Medicine, University Children's Hospital, 3010 Bern, Switzerland; nicolas.regamey{at}
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Regamey N, Jeffery PK, Alton EWFW, et al
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Publication history

  • Accepted August 5, 2011
  • First published October 11, 2011.
Online issue publication 
January 20, 2012

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