[1] WHO, Dept Management Noncommunicable Dis Disabil Viole, 20 Ave Appia, CH-1211 Geneva 27, Switzerland
[2] Liverpool John Moores Univ, Inst Publ Hlth, Fac Educ Hlth & Community, Liverpool, Merseyside, England
[3] Bangor Univ, Coll Hlth & Behav Sci, Normal Site, Bangor, Gwynedd, Wales
[4] Publ Hlth Wales, Directorate Policy Res & Int Dev, Wrexham, Wales