Funding for this research was provided by:
Japan Agency for Medical Research and Development,Japan
Received: 25 March 2022
Accepted: 15 May 2022
First Online: 9 June 2022
: This study was approved by the Ethics Committee of Iwate Medical University (Approval ID: HG-H25-1). Throughout the study, only the DNA methylation datasets already processed and anonymized were accessed.
: Not applicable.
: The authors declare that they have no competing interests.