Yokoyama, Yoichi
Yamada, Yoshitake
Kosugi, Kenzo
Yamada, Minoru
Narita, Keiichi
Nakahara, Takehiro
Fujiwara, Hirokazu
Toda, Masahiro
Jinzaki, Masahiro
Funding for this research was provided by:
The Japan Society for the Promotion of Science (JSPS), KAKENHI (JP17H04266)
Uehara Memorial Foundation
Canon Medical Systems
Article History
Received: 8 June 2020
Accepted: 11 December 2020
First Online: 11 January 2021
Competing interests
: Masahiro Jinzaki was supported by the Japan Society for the Promotion of Science (JSPS), KAKENHI (Grant number JP17H04266), Uehara Memorial Foundation, and Canon Medical Systems (Otawara, Japan). Masahiro Jinzaki received the grant from Canon Medical Systems. Canon Medical Systems loaned the upright computed tomography machine to Keio University but is not involved in the design and conduction of the study; collection, analysis, and interpretation of the data; or preparation, review, and approval of the manuscript. No other authors have any relationships with the industry or other entities.