,
Tsubota-Utsugi, M. http://orcid.org/0000-0002-9202-3781
Yonekura, Y.
Tanno, K.
Nozue, M.
Shimoda, H.
Nishi, N.
Sakata, K.
Kobayashi, S.
Funding for this research was provided by:
a Grant-in-Aid from the Ministry of Health, Labour and Welfare, Health and Labour Sciences Research Grants, Japan (H23-TokubetsShitei-002, H24-Kenki-Shitei-001, H25-Kenki-Shitei-001(Fukkou))
Article History
Received: 26 September 2017
Accepted: 28 May 2018
First Online: 4 June 2018
Ethics approval and consent to participate
: In the present study, participants provided written informed consent for participation and publication. This study was approved by the Institutional Review Board of Iwate Medical University.
: The authors declare that they have no competing interests
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.