Ishibashi, Yasuyuki http://orcid.org/0000-0003-2180-7922
Kimura, Yuka
Sasaki, Eiji
Sasaki, Shizuka
Yamamoto, Yuji
Tsuda, Eiichi
Article History
Received: 4 August 2020
Accepted: 23 September 2020
First Online: 7 October 2020
Ethics approval and consent to participate
: This study obtained institutional review board approval from Hirosaki University Graduate School of Medicine (2011-251). Informed consent was obtained from all individual participants included in the study.
: All patients provided informed written consent before inclusion in the study.
: The authors declare that they have no competing interests.