National, regional, and worldwide estimates of stillbirth rates in 2015, with trends from 2000: a systematic analysis oleh Dr. Hannah Blencowe, MRCPCH, Prof. Simon Cousens, DipMathstat, Fiorella Bianchi Jassir, MSc, Lale Say, MD, Doris Chou, MD, Colin Mathers, PhD, Dan Hogan, PhD, Suhail Shiekh, MSc, Zeshan U Qureshi, BM, Danzhen You, PhD, Prof. Joy E Lawn, FRCPCH