Published on in Vol 4, No 2 (2018): Jul-Dec
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/10031, first published
.
1 Nippon Medical School, Tokyo, Japan
2 Department of Medical Oncology, Nippon Medical School Musashikosugi Hospital, Kawasaki City, Japan
*these authors contributed equally