Using Mobile Phones to Improve Vaccination Uptake in 21 Low- and Middle-Income Countries: Systematic Review

Clare Oliver-Williams   ^{1, 2} , PhD ;   Elizabeth Brown   ^{3, 4} , BA (Hons) ;   Sara Devereux   ^{5, 6} , BA (Hons) ;   Cassandra Fairhead   ^{4, 7} , BA (Hons) ;   Isaac Holeman   ^{8, 9, 10} , MPhil

¹ Homerton College, University of Cambridge, Cambridge, United Kingdom

² Cardiovascular Epidemiology Unit, Department of Public Health & Primary Care, University of Cambridge, Cambridge, United Kingdom

³ Gonville and Caius College, University of Cambridge, Cambridge, United Kingdom

⁴ University College London, London, United Kingdom

⁵ Trinity College, University of Cambridge, Cambridge, United Kingdom

⁶ Queens’ College, University of Cambridge, Cambridge, United Kingdom

⁷ King’s College, University of Cambridge, Cambridge, United Kingdom

⁸ Judge Business School, University of Cambridge, Cambridge, United Kingdom

⁹ Global Health Academy, University of Edinburgh, Edinburgh, United Kingdom

¹⁰ Medic Mobile, San Francisco, CA, United States