1 WHO European Office for the Prevention and Control of Noncommunicable Diseases, Moscow, Russia.
2 WHO Regional Office for Europe, Child and Adolescent Health and Development, Division of Country Health Policies and Systems, WHO Regional Office for Europe, Copenhagen, Denmark.
3 WHO Regional Office for Europe, Child and Adolescent Health and Development, Division of Country Health Policies and Systems, WHO Regional Office for Europe, Copenhagen, Denmark. Electronic address: [email protected].