Global, regional, national, and selected subnational levels of stillbirths, neonatal, infant, and under-5 mortality, 1980-2015: a systematic analysis for the Global Burden of Disease Study 2015 - Wang, Haidong; Bhutta, Zulfiriar A.; Coates, Matthew M.; Coggeshall, Megan; Dandona, Lalit; Diallo, Khassoum; Franca, Elisabeth Barboza; Fraser, Maya; Fullman, Nancy; Gething, Peter W.; Hay, Simon I.; Kinfu, Yohannes; et al. (The Lancet, 2016)