Published on in Vol 20 , No 6 (2018) :June
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/9812, first published
.

1 Applied Research Division for Cognitive and Psychological Science, European Institute of Oncology, Milan, IT
2 Department of Oncology and Hemato-Oncology, University of Milan, Milan, IT
3 Library, European Institute of Oncology, Milan, IT