Niinuma, Takeshi
Kitajima, Hiroshi
Kai, Masahiro
Yamamoto, Eiichiro
Yorozu, Akira
Ishiguro, Kazuya
Sasaki, Hajime
Sudo, Gota
Toyota, Mutsumi
Hatahira, Tomo
Maruyama, Reo
Tokino, Takashi
Nakase, Hiroshi
Sugai, Tamotsu
Suzuki, Hiromu https://orcid.org/0000-0001-9635-3238
Funding for this research was provided by:
Japan Society for the Promotion of Science (15H04299)
Japan Society for the Promotion of Science (16K19352)
Japan Society for the Promotion of Science (18K07977)
Japan Society for the Promotion of Science (15K08973)
Japan Society for the Promotion of Science (18K07949)
Article History
Received: 5 February 2019
Accepted: 23 April 2019
First Online: 7 May 2019
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of Sapporo Medical University.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.