A total of 4 meetings with participating children and their caregivers were scheduled during the 12-month-long education and intervention program: at enrollment, and 3, 6 and 12 months thereafter. The meetings had form of individual consultations with various specialists. The first visit included complex medical examination, discussion on a health status of a child, interpretation of laboratory findings, and consultations with dietician, psychologist and physical education specialist. After consulting all the specialists involved in the program, individual protocol of health intervention was developed for every child. The objectives of the intervention included modification of diet, increasing health activity level and strengthening of health-seeking behaviors of child's family members. Adherence to the protocol and achieved results were evaluated during follow-up meetings with the specialists, and constituted the basis for development of individualized intervention plans for subsequent months.