SYL was the chief investigator for this project in planning the study design and
contributed to manuscript preparation. NA, HTT and YA took part in planning
the study design, scoring of ACF and AC, immunohistochemistry analysis of β-
catenin and Cox-2, statistical analysis and manuscript preparation. AHN processed
the GBR. SN and IH assisted in scoring of ACF and AC, and immunohistochemistry
analysis of β-catenin and Cox-2. MS performed the statistical
analysis. IM was responsible for funding, study design and GBR supply. All
authors read and approved the final manuscript.