Asatani, Kimitaka
Toriumi, Fujio
Mori, Junichiro
Ochi, Masanao
Sakata, Ichiro
Funding for this research was provided by:
Japan Society for the Promotion of Science (16K16167)
Article History
Received: 30 December 2017
Accepted: 24 July 2018
First Online: 6 August 2018
Compliance with ethical standards
:
: The authors declare no competing interests.
: The datasets generated and/or analyzed during the current study are not publicly available owing to user privacy issues; people can be easily identified from their train journeys over a period of three years. Therefore, we cannot make the data public. However, they are available from the corresponding author upon reasonable request.