Published on in Vol 10, No 2 (2022): February
![Using Smartphones to Reduce Research Burden in a Neurodegenerative Population and Assessing Participant Adherence: A Randomized Clinical Trial and Two Observational Studies Using Smartphones to Reduce Research Burden in a Neurodegenerative Population and Assessing Participant Adherence: A Randomized Clinical Trial and Two Observational Studies](https://asset.jmir.pub/assets/e70f1e32e7aabfbd6bfea7ecf29f4f4e.png 480w,https://asset.jmir.pub/assets/e70f1e32e7aabfbd6bfea7ecf29f4f4e.png 960w,https://asset.jmir.pub/assets/e70f1e32e7aabfbd6bfea7ecf29f4f4e.png 1920w,https://asset.jmir.pub/assets/e70f1e32e7aabfbd6bfea7ecf29f4f4e.png 2500w)
1 Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, United States
2 Centre for Epidemiology Versus Arthritis, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
3 Neurological Clinical Research Institute and Sean M. Healey & AMG Center for ALS, Massachusetts General Hospital, Boston, MA, United States
4 Department of Neurology, Washington University, Saint Louis, MO, United States
5 Department of Physical Medicine and Rehabilitation, Spaulding Rehabilitation Hospital, Harvard Medical School, Boston, MA, United States
6 MGH Institute of Health Professions, Charlestown, MA, United States
7 Biostatistics Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States