international principles for aid effectiveness and development co-operation into practice in the health sector. The organization relies on contributions from renowned scientists and professionals to inform its work, such as the WHO Expert Committee on Biological Standardization, the WHO Expert Committee on Leprosy, and the WHO Study Group on Interprofessional Education & Collaborative Practice. WHO runs the Alliance for Health Policy and Systems Research, targeted at improving health policy and systems. WHO also aims to improve access to health research and literature in developing countries such as through the HINARI network. WHO collaborates with The Global Fund to Fight AIDS, Tuberculosis and Malaria, UNITAID, and the United States President's Emergency Plan for AIDS Relief to spearhead and fund the development of HIV programs. WHO created the Civil Society Reference Group on HIV, which brings together other networks that are involved in policymaking and the dissemination of guidelines. WHO, a sector of the United Nations, partners with UNAIDS to contribute to the development of HIV responses in different areas of the world. WHO facilitates technical partnerships through the Technical Advisory Committee on HIV, which they created to develop WHO guidelines and policies. In 2014, WHO released the Global Atlas of Palliative Care at the End of Life in a joint publication with the Worldwide Hospice Palliative Care Alliance, an affiliated NGO working collaboratively with the WHO to promote palliative care in national and international health policy. Public health education and action Each year, the organization marks World Health Day and other observances focusing on a specific health promotion topic. World Health Day falls on 7 April each year, timed to match the anniversary of WHO's founding. Recent themes have been vector-borne diseases (2014), healthy ageing (2012) and drug resistance (2011). The other official global public health campaigns marked by WHO are World Tuberculosis Day, World Immunization Week, World Malaria Day, World No Tobacco Day, World Blood Donor Day, World Hepatitis Day, and World AIDS Day. As part of the United Nations, the World Health Organization supports work towards the Millennium Development Goals. Of the eight Millennium Development Goals, three – reducing child mortality by two-thirds, to reduce maternal deaths by three-quarters, and to halt and begin to reduce the spread of HIV/AIDS – relate directly to the WHO's scope; the other five inter-relate and affect world health. Data handling and publications The World Health Organization works to provide the needed health