Neonatal mortality risk of vulnerable newborns : A descriptive analysis of subnational, population-based birth cohorts for 238 143 live births in low- and middle-income settings from 2000 to 2017 - the Subnational Vulnerable Newborn Prevalence Collaborative Group and Vulnerable Newborn Measurement Core Group; Hazel, Elizabeth A.; Erchick, Daniel J.; Katz, Joanne; Lee, Anne C.C; Diaz, Michael; Wu, Lee S.F; West, Keith P.; Shamim, Abu Ahmed; Christian, Parul; Ali, Hasmot; Baqui, Abdullah H.; et al. (2023)