Personalized Reminders for Immunization Using Short Messaging Systems to Improve Human Papillomavirus Vaccination Series Completion: Parallel-Group Randomized Trial

Chelsea S Wynn   ¹ , MPH ;   Marina Catallozzi   ^{1, 2, 3} , MSCE, MD ;   Chelsea A Kolff   ^{1, 2} , MPH ;   Stephen Holleran   ¹ , BSc ;   Dodi Meyer   ^{1, 3} , MD ;   Rajasekhar Ramakrishnan   ¹ , EngScD ;   Melissa S Stockwell   ^{1, 2, 3} , MPH, MD

¹ Division of Child and Adolescent Health, Department of Pediatrics, Columbia University Irving Medical Center, New York, NY, United States

² Department of Population and Family Health, Mailman School of Public Health, Columbia University Irving Medical Center, New York, NY, United States

³ NewYork-Presbyterian Hospital, New York, NY, United States