Published on in Vol 7 , No 12 (2020) :December
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/22757, first published
.

1 University of Milan, Department of Oncology and Hematology-Oncology, Milan, IT
2 Applied Research Division for Cognitive and Psychological Science, European Institute of Oncology IEO, IRCCS, Milan, IT