Kamei, Goki
Ishibashi, Shigeki
Yoshioka, Koki
Sakurai, Satoru
Inoue, Hiroyuki
Ishikawa, Masakazu
Mochizuki, Yu
Adachi, Nobuo
Article History
Received: 26 July 2020
Accepted: 12 February 2021
First Online: 5 April 2021
Ethics approval and consent to participate
: All data were collected and analyzed retrospectively from an institutional-review-board-approved database, and the study was carried out according to the principles of the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no conflict of interest.