SaferBirths bundle of care protocol: a stepped-wedge cluster implementation project in 30 public health-facilities in five regions, Tanzania oleh Benjamin A. Kamala, Hege L. Ersdal, Estomih Mduma, Robert Moshiro, Sakina Girnary, Ole Terje Østrem, Jørgen Linde, Ingvild Dalen, Elsa Søyland, Dunstan R. Bishanga, Felix Ambrose Bundala, Ahmad M. Makuwani, Boniphace Marwa Richard, Pius David Muzzazzi, Ivony Kamala, Paschal F. Mdoe