Published on in Vol 7, No 6 (2019): June
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/13364, first published
.
1 McLean Hospital/Harvard Medical School, Belmont, MA, United States
2 William James College, Newton, MA, United States
3 Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MD, United States