Development of the InCharge Health Mobile App to Improve Adherence to Hydroxyurea in Patients With Sickle Cell Disease: User-Centered Design Approach

Nicole M Alberts   ^{1 *} , PhD ;   Sherif M Badawy   ^{2, 3 *} , MS, MD, MBBCh ;   Jason Hodges   ⁴ , MA, PhD ;   Jeremie H Estepp   ⁴ , MD ;   Chinonyelum Nwosu   ^{4, 5} , BS, MPH ;   Hamda Khan   ^{4, 5} , BS, MA ;   Matthew P Smeltzer   ⁶ , PhD ;   Ramin Homayouni   ⁷ , BS, PhD ;   Sarah Norell   ⁸ , MFA, MDes ;   Lisa Klesges   ⁶ , BA, MS, PhD ;   Jerlym S Porter   ^{1 *} , MPH, PhD ;   Jane S Hankins   ^{4, 5 *} , MS, MD

¹ Department of Psychology, St Jude Children’s Research Hospital, Memphis, TN, United States

² Department of Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, IL, United States

³ Division of Hematology, Oncology and Stem Cell Transplant, Ann & Robert H Lurie Children's Hospital of Chicago, Chicago, IL, United States

⁴ Department of Hematology, St Jude Children’s Research Hospital, Memphis, TN, United States

⁵ Methodist Health Care, Memphis, TN, United States

⁶ Division of Epidemiology, Biostatistics, and Environmental Health, School of Public Health, University of Memphis, Memphis, TN, United States

⁷ Department of Foundational Medical Studies, William Beaumont School of Medicine, Oakland University, Rochester, MI, United States

⁸ University of Illinois Health, Institute for Healthcare Delivery Design, Chicago, IL, United States

*these authors contributed equally