Reiterates the strong commitment of Member States to improve access to controlled substances for medical and scientific purposes by appropriately addressing existing barriers in this regard, while concurrently preventing the diversion and abuse of and trafficking in such substances, and to strengthen, as appropriate, the proper functioning of national drug control systems and domestic assessment mechanisms and programmes, with a view to promoting the safety, health and welfare of humankind, in cooperation with the International Narcotics Control Board, the United Nations Office on Drugs and Crime, the World Health Organization and other relevant United Nations system agencies, to identify, analyse and remove impediments to the access to and availability of controlled substances for medical and scientific purposes, including for the relief of pain and suffering, and address existing barriers in this regard, including affordability, within appropriate control mechanisms, as required by the three international drug control conventions and, for that purpose, to consider the provision of technical and financial assistance, upon request, to developing countries;