1. Riga Stradins UniversityDepartment of Internal MedicineRigaLatvia
2. Riga East Clinical University HospitalDepartment of GastroenterologyHepatology and NutritionDepartment of Emergency MedicineRigaLatvia
3. Capital Clinic RigaAnti‐Aging InstituteHealth Center 4Department of GastroenterologyRigaLatvia