The study was carried out using the GISTAR material gained in the study GISTAR, run by UL ICPM in the regions of Latvia.
The research was performed in close cooperation within an international consortium. The first author of the paper is Claudia Robles from Spain, other authorship include researchers from the International Agency for Research on Cancer (France) among the team from the UL ICPM.
The study was performed in cooperation with the Center for Digestive Diseases GASTRO and Academic Histology Laboratory.