M. V. Kinney,J. M. Smith,T. Doherty,J. Hermida,K. Daniels and J. M. Belizán. Feasibility of community level interventions for pre-eclampsia: perspectives, knowledge and task-sharing from Nigeria, Mozambique, Pakistan and India. Reprod Health. 2016;13(1):10.1186/s12978-016-0245-6.