Lyons, R., Kassebaum, N., Arora, M., Barber, R., Bhutta, Z., Brown, J., . . . Kemp, A. (2016). Global, regional, and national disability-adjusted life-years (DALYs) for 315 diseases and injuries and healthy life expectancy (HALE), 1990–2015: A systematic analysis for the Global Burden of Disease Study 2015. The Lancet, 388(10053), pp. 1603-1658. doi:10.1016/S0140-6736(16)31460-X

Lyons, Ronan, et al. "Global, Regional, and National Disability-adjusted Life-years (DALYs) for 315 Diseases and Injuries and Healthy Life Expectancy (HALE), 1990–2015: A Systematic Analysis for the Global Burden of Disease Study 2015." The Lancet 388, no. 10053 (2016): 1603-1658.

Lyons, Ronan, et al. "Global, Regional, and National Disability-adjusted Life-years (DALYs) for 315 Diseases and Injuries and Healthy Life Expectancy (HALE), 1990–2015: A Systematic Analysis for the Global Burden of Disease Study 2015." The Lancet 388.10053 (2016): 1603-1658.