Published on in Vol 20, No 7 (2018): July
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/10108, first published
.
1 Personal Health, Philips Research, Eindhoven, Netherlands
2 Department of Electrical Engineering, Technical University Eindhoven, Eindhoven, Netherlands
3 Institute of Health & Well-Being, Robertson Centre for Biostatistics and Clinical Trials, University of Glasgow, Glasgow, United Kingdom