deletions | additions       diff --git a/Discussion.md b/Discussion.md  deleted file mode 100644  index 2153b39..0000000  --- a/Discussion.md  +++ /dev/null 
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# Discussion   diff --git a/layout.md b/layout.md  index 445d42b..f5c2401 100644  --- a/layout.md  +++ b/layout.md 
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Abstract.md  Background.md  Discussion.md