Published on in Vol 14 (2025)
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/55975, first published
.

Journals
- den Duijn J, Hajjaj A, Kellett J, Frischknecht Christensen E, Haak H, Brabrand M, Nickel C, Nanayakkara P, Subbe C, Alsma J. Using Patient-Held Devices to Measure Variations in Resting Heart Rate and Step Count Prior to Presentation With an Acute Illness: International, Multicenter Flash Mob Feasibility Study. JMIR Cardio 2025;9:e76218 View
