Kawahara, Takashi http://orcid.org/0000-0002-7049-3379
Kato, Masashi
Tabata, Kenichi
Kojima, Ippei
Yamada, Hiroshi
Kamihira, Osamu
Tsumura, Hideyasu
Iwamura, Masatsugu
Uemura, Hiroji
Miyoshi, Yasuhide
Article History
Received: 17 May 2020
Accepted: 14 September 2020
First Online: 25 September 2020
Ethics approval and consent to participate
: This study was carried out in compliance with the Declaration of Helsinki and was approved by the Institutional Review Board of each institution (D1603004). Informed consent to participate in the study were obtained from all subjects by opt-out style in Yokohama City University Medical Center (Yokohama, JAPAN).
: This study was approved by the Institutional Review Board of Yokohama City University Medical Center (Yokohama, Japan) (IRB No. D1603004) including the permission to publish. Written informed consent was waived due to the retrospective observational nature of the study, and all methods complied with the Declaration of Helsinki.
: The authors declare no conflicts of interest in association with the present study.