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Regression to the mean, apparent data errors, and biologically extraordinary results: Letter regarding ‘Changes in telomere length 3–5 years after gastric bypass surgery’

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Author information


  1. Department of Nutrition Sciences, University of Alabama at Birmingham, Birmingham, AL, USA

    • D L Smith
    •  & D B Allison
  2. Department of Mathematical Sciences, United States Military Academy, West Point, NY

    • D M Thomas
  3. COS & Associates Ltd., Central, Hong Kong

    • C O Siu
  4. University of Groningen, Groningen, The Netherlands

    • S Verhulst


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Corresponding author

Correspondence to D B Allison.