Published on in Vol 6, No 4 (2020): Oct-Dec
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/23624, first published
.
1 Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology, Tokyo, Japan
2 Hitachi Research Laboratory, Hitachi Ltd, Hitachi, Japan
3 Hitachi Works, Hitachi Ltd, Hitachi, Japan