Published on in Vol 4, No 10 (2020): October
1 Department of Information Sciences, Toho University, Chiba, Japan
2 NTT Media Intelligence Laboratories, Yokosuka, Japan
3 Department of Ubiquitous Health Informatics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
4 Department of Biomedical Informatics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
*these authors contributed equally