deletions | additions       diff --git a/layout.md b/layout.md  index afb2144..051042f 100644  --- a/layout.md  +++ b/layout.md 
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abstract.md  Introduction_or_Background_We_are__.md  Methods_Study_Questions_Selection_of__.md  collabnotes.tex  extabstract.tex  List_of_references_Peter_Dowrick__.md