Effect of a novel vital sign device on maternal mortality and morbidity in low-resource settings: a pragmatic, stepped-wedge, cluster-randomised controlled trial oleh Nicola Vousden, MBBS, Elodie Lawley, BSc, Hannah L Nathan, PhD, Paul T Seed, CSTAT, Muchabayiwa Francis Gidiri, FRCOG, Shivaprasad Goudar, ProfMD, Jane Sandall, PhD, Lucy C Chappell, ProfFRCOG, Andrew H Shennan, ProfFRCOG, Monice Kachinjika, Doreen Bukani, Jane Makwakwa, Grace Makonyola, Adrian Brown, Paul Toussaint, Adeline Vixama, Grace Greene, Carwyn Hill, Emily Nakiriija, Doreen Birungi, Noela Kalyowa, Dorothy Namakula, Josaphat Byamugisha, Annettee Nakimuli, Nathan Mackayi Odeke, James Ditai, Julius Wandabwa, Fatmata Momodou, Margaret Sesay, Patricia Sandi, Jeneba Conteh, Jesse Kamara, Matthew Clarke, Rebecca Best, Josephine Miti, Mercy Kopeka, Bellington Vwalika, Martina Chima, Thokozile Musonda, Christine Jere, Sebastian Chinkoyo, Violet Mambo, Yonas Guchale, Lomi Yadeta, Feiruz Surur, Geetanjali M Mungarwadi, Sphoorthi S Mastiholi, Chandrappa C Karadiguddi, Umesh Charantimath, Mrutyunjaya Bellad, Natasha Hezelgrave, Kate E Duhig