The effect of mHealth application on improving childhood immunization coverage and timeliness: a case of the Gurage Zone, SNNPR, Ethiopia, a randomized controlled trial.

Fisha Alebel Gebreeyesus, Bogale Chekole Temere, Baye Tsegaye Amlak, Tadesse Tsehay Tarekegn, Bisrat Zeleke Shiferaw, Mamo Solomon Emire, Omega Tolessa Geleta, Tamene Fetene Terefe, Agerie Ayinalem Mewahegn, Melkamu Senbeta Jimma, Ermias Sisay Chanie, Natnael Moges Misganaw, Katrina Lane-Krebs