Received: 14 February 2021
Accepted: 13 April 2022
First Online: 28 April 2022
: All procedures were performed according to the ethical standards of the institutional research committee, as well as the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study and its protocols were approved by the Nihon University Itabashi Hospital, Clinical Research Judging Committee (RK-200714-10).
: Not applicable.
: Dr. Okumura belongs to the endowed departments of Boston Scientific Japan, Abbott Medical Japan, Japan Lifeline, Medtronic Japan, and Nihon Kohden.