Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
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A lock (
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connected to the .gov website. Share sensitive
information only on official, secure websites.
A small region of interest was chosen in both the pink-color sign positive and pink-color sign negative areas. These regions of interest were carefully chosen to be of similar size in each area. The red-green-blue components of each region of interest were calculated using Image J software.
