Strategies for the Successful Implementation of a Novel iPhone Loaner System (iShare) in mHealth Interventions: Prospective Study

William E Yang   ¹ , MD ;   Erin M Spaulding   ² , RN, BSN ;   David Lumelsky   ³ , BS ;   George Hung   ¹ , MD ;   Pauline Phuong Huynh   ¹ , BA ;   Kellen Knowles   ¹ , MD ;   Francoise A Marvel   ^{1, 4} , MD ;   Valerie Vilarino   ³ , BA ;   Jane Wang   ¹ , MD ;   Lochan M Shah   ¹ , BA ;   Helen Xun   ¹ , BS ;   Rongzi Shan   ⁴ , BS ;   Shannon Wongvibulsin   ^{1, 5} , PhD ;   Seth S Martin   ^{1, 4} , MD, MHS

¹ School of Medicine, Johns Hopkins University, Baltimore, MD, United States

² School of Nursing, Johns Hopkins University, Baltimore, MD, United States

³ Krieger School of Arts and Sciences, Johns Hopkins University, Baltimore, MD, United States

⁴ Ciccarone Center for the Prevention of Cardiovascular Disease, Division of Cardiology, School of Medicine, Johns Hopkins University, Baltimore, MD, United States

⁵ Department of Biomedical Engineering, School of Medicine, Johns Hopkins University, Baltimore, MD, United States