Publication info: BMJ Open. 2012; 2(3)PMID: 22637374External link: http://www.ncbi.nlm.nih.gov/pubmed/22637374Publication date: May, 2012Authors: Berglund A, Lambe M, Lüchtenborg M, Linklater K, Peake MD, Holmberg L, Møller HRegistry: National Disease Registration Service, EnglandPublication type: Paper