A Mobile Health Intervention to Reduce Sedentary Behavior Among Adolescents and Early Young Adults Receiving Treatment for Acute Lymphoblastic Leukemia: Protocol for a Single-Arm Feasibility Trial

Published on 28.Oct.2026 in Vol 15 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/107278, first published 18.Jul.2026.

; Yueh-Yun Chi^{1, 2, 3}

; Britni R Belcher³

; David R Freyer^{1, 2, 3, 4}

Brittany J Ivory ^{1, 2} , MPH, MD ; Yueh-Yun Chi ^{1, 2, 3} , PhD ; Britni R Belcher ^{3
*} , MPH, PhD ; David R Freyer ^{1, 2, 3, 4
*} , MS, DO

¹ Cancer and Blood Disease Institute, Children's Hospital of Los Angeles, Los Angeles, CA, United States

² Department of Pediatrics, Keck School of Medicine, University of Southern California, Los Angeles, CA, United States

³ Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, United States

⁴ Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, United States

*these authors contributed equally

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