1. UNICEF, WHO, World Bank, UN-DESA Population Division . Levels & trends in child mortality report 2021. Estimates developed by the United Nations Inter-Agency Group for Child Mortality Estimation. Geneva: United Nations Children’s Fund,
2. World Health Organization, OECD & International Bank for Reconstruction and Development . Delivering quality health services: a global imperative for universal health coverage. 2018. Available: https://apps.who.int/iris/handle/10665/272465
3. Medical error-the third leading cause of death in the US;Makary;BMJ,2016
4. National Academies of Sciences, Engineering, and Medicine; Health and Medicine Division; Board on Health Care Services; Board on Global Health; Committee on Improving the Quality of Health Care Globally . Crossing the global quality chasm: improving health care worldwide. Washington (DC): National Academies Press (US), 2018.
5. World Health Organization . Situation of child and adolescent health in Europe. 2018.