... rates and ratios were: less than year, to years, to 14 years, 15 to 24 years, 25 to 34 years, 35 to 44 years, 45 to 54 years, 55 to 64 years, 65 to 74 years, 75 to 84 years and 85+ years Mortality ... designed the study, carried out statistical analysis and interpretation of the data, and drafting of the manuscript FJS conceived of the study, contributed to its design, and aided in the interpretation ... interpretation and drafting of the manuscript Acknowledgements The authors would like to thank Matthew D Redelings, Amy Chan and Jonathan R Bennion for their contribution to the analysis and interpretation...