Global, regional, and national levels of maternal mortality, 1990–2015: a systematic analysis for the Global Burden of Disease Study 2015

2016 . Kassebaum, Nicholas J | Barber, Ryan M | Bhutta, Zulfiqar A | Dandona, Lalit | Gething, Peter W | Hay, Simon I | Kinfu, Yohannes | Larson, Heidi J | Liang, Xiaofeng | Lim, Stephen S | Lopez, Alan D | Lozano, Rafael | Mensah, George A | Mokdad, Ali H | Naghavi, Mohsen | Pinho, Christine | Salomon, Joshua A | Steiner, Caitlyn | Vos, Theo | Wang, Haidong | Zeeb, Hajo . GBD 2015 Maternal Mortality Collaborators