Kobayashi, Yasuma http://orcid.org/0000-0001-6224-8704
Yamaoka, Kazue
Article History
Received: 12 January 2021
Revised: 8 March 2021
Accepted: 15 March 2021
First Online: 24 March 2021
Declarations
:
: This study was approved by the institutional review boards of Jichi Medical University Saitama Medical Center, Saitama, Japan, (approval no S18-042; Chairperson: Prof. R. Nagai; approval date: 2 August 2018) and Teikyo University, Tokyo, Japan, (approval no. 18-106; Chairperson: Prof. M. Kawamura; approval date: 25 September 2018), and the requirement for written informed consent was waived by the IRB.
: Not applicable.
: The authors declare that they have no competing interests.