1. Laboratory of Human Microbiome and Longevity, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Nur-Sultan, Kazakhstan
2. NJSC Medical University Astana, Department of Internal Medicine with the Course of Gastroenterology, Endocrinology and Pulmonology, Nur-Sultan, Kazakhstan
3. Department of Medicine, Nazarbayev University School of Medicine (NUSOM), Nur-Sultan, Kazakhstan
4. Department of Pediatrics, National Research Center for Mother and Child Health, University Medical Center, Nur-Sultan, Kazakhstan