Sections that were stained with immunobiological stains and immunofluorescent stains were digitized to capture a minimum of 1936 × 1460 pixels covering one entire cross-section utilizing an M2 Microscope (Carl Zeiss) with an Axiocam 503 color camera (Carl Zeiss). These slides were analyzed using ZEN 2 blue edition version 2.0 (Carl Zeiss) as described elsewhere4 (link),11 (link),16 (link),30 (link). Staining index was obtained by number of positive cells/ total number of cells × 100.
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