Tanaka, Yuka
Uchi, Hiroshi
Ito, Takamichi
Furue, Masutaka
Funding for this research was provided by:
Ministry of Education, Culture, Sports, Science and Technology
Ministry of Health, Labour and Welfare
Article History
Received: 21 June 2019
Accepted: 18 November 2019
First Online: 3 December 2019
Competing interests
: The authors declare no competing interests.