Laura AKHMETNIYAZOVA, director of the health services department of the Kazakh Health Ministry; Salim BERKINBAEV, director of the Cardiologic and Internal Disease Research Institute of the Kazakh Health Ministry; Alexander NERSESOV, head of the Gastroenterology and Hepatology Department of the Cardiologic and Internal Disease Research Institute; Jamila KAIBULLAYEVA, an associate professor of the Gastroenterology and Hepatology Department of the Cardiologic and Internal Disease Research Institute; Kazybek AGIBAYEV, a proctologist and head of the colorectal department at Hospital No.1 in Astana; Maira SHARIPOVA, a pediatric gastroenterologist and a consultant of the clinical diagnostic department at the Research Center of Pediatrics and Pediatric Surgery of the Kazakh Health Ministry