Nakayama, Takafumi
Yamamoto, Junki
Ozeki, Toshikazu
Yasuda, Kaoru
Yamazaki, Chikao
Ito, Tsuyoshi
Goto, Toshihiko
Maruyama, Shoichi
Morozumi, Kunio
Seo, Yoshihiro
Article History
Received: 25 September 2021
Accepted: 30 January 2022
First Online: 17 March 2022
Declarations
:
: Yoshihiro Seo is a member of Journal of Medical Ultrasonics’ editorial team. The other authors declare no conflicts of interest associated with this study.
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later versions. Informed consent was obtained from all patients for being included in the study (The information in this retrospective study is available on the Masuko Memorial Hospital website, and all patients are given the opportunity to withdraw from the study).