Published on in Vol 7, No 11 (2019): November
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/14946, first published
.
![Mood Monitoring Over One Year for People With Chronic Obstructive Pulmonary Disease Using a Mobile Health System: Retrospective Analysis of a Randomized Controlled Trial Mood Monitoring Over One Year for People With Chronic Obstructive Pulmonary Disease Using a Mobile Health System: Retrospective Analysis of a Randomized Controlled Trial](https://asset.jmir.pub/assets/7153e2b100954d1f9d9e76995f544312.png 480w,https://asset.jmir.pub/assets/7153e2b100954d1f9d9e76995f544312.png 960w,https://asset.jmir.pub/assets/7153e2b100954d1f9d9e76995f544312.png 1920w,https://asset.jmir.pub/assets/7153e2b100954d1f9d9e76995f544312.png 2500w)
1 Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom
2 Institute of Biomedical Engineering, Department of Engineering Science, University of Oxford, Oxford, United Kingdom