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Published on in Vol 12 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/77766, first published .
Child's hand wearing a pink smartwatch, touching the screen.

Monitoring Steps and Heart Rate Using a Withings Smartwatch in Children and Adolescents With Cancer: Validation Study

Monitoring Steps and Heart Rate Using a Withings Smartwatch in Children and Adolescents With Cancer: Validation Study

Emma den Hartog   1 , PhD ;   Marta Fiocco   1, 2 , PhD ;   Patrick van der Torre   1 , MSc ;   Wim J E Tissing   1, 3 , MD, PhD ;   Emma J Verwaaijen   1 , PhD

1 Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands

2 Mathematical Institute, Leiden University, Leiden, The Netherlands

3 Department of Pediatric Oncology and Hematology, University of Groningen, Beatrix Children's Hospital, Groningen, The Netherlands

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