The World Health Organization (WHO) is the directing and coordinating authority for health within the United Nations system.
The National Institute for Health and Care Excellence (NICE) in the UK provides national guidance and advice to improve health and social care.
The US National Academies Press (NAP) was created by the National Academy of Sciences to publish the reports of the National Academies of Sciences, Engineering and Medicine, operating under a charter granted by the Congress of the United States. The NAP publishes on a wide range of topics in science, engineering, and medicine, providing authoritative information on important matters in science and health policy.
The Urban Institute is a Washington D.C.-based think tank that carries out economic and social policy research to "open minds, shape decisions, and offer solutions". The institute receives funding from government contracts, foundations and private donors.