Received: 15 January 2021
Accepted: 5 April 2021
First Online: 15 April 2021
: This study was approved by the institutional review board of Mito Kyodo General Hospital, Mito City, Ibaraki, Japan. All the participants gave informed consent under an opt-out agreement.
: Not applicable.
: YN received an honorarium from the JAMEP as the GM-ITE project manager. YT and TO were JAMEP directors. TS 2 and YY received an honorarium from the JAMEP as an exam developer for the GM-ITE. YN, YT, TO, TS 2, and YY were not involved in the analysis.