Funding for this research was provided by:
Japan Society for the Promotion of Science (JP17K09130)
Received: 5 September 2019
Accepted: 20 December 2019
First Online: 6 January 2020
Change Date: 21 February 2020
Change Type: Correction
Change Details: After publication of this article , it was brought to our attention that there is an error in the Table 5, which “Cases” should be revised to “HU” in Table 5. The original publication has been corrected.
Ethics approval and consent to participate
: The Medical Ethics Committee at Showa University School of Medicine (Approval No. 2132) and the Ethics Committee of the All Japan Labor Welfare Foundation (Approval No. 3-1-0004) approved the study protocol. Written informed consent for the publication of personal information was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.