Shima, Hiroaki http://orcid.org/0000-0003-4413-2008
Okuno, Toshitaka
Nakamura, Takashi
Noro, Aya
Noma, Midori
Sato, Megumi
Kaga, Terumi
Mituzuka, Yukio
Kamei, Keitaro
Imayoshi, Yumi
Ito, Toshikazu
Kanazawa, Shinsaku
Kato, Kumiko
Kutomi, Goro
Sekiguchi, Ryuzo
Mori, Mitsuru
Tadashi, Hasegawa
Hirai, Toshiko
Takemasa, Ichiro
Article History
Received: 5 January 2020
Accepted: 13 October 2020
First Online: 29 October 2020
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: This study adhered to ethical tenets of the Declaration of Helsinki and Ethical Principles for Medical Research Involving Human Subjects, was approved by the Clinical Trial Center of Sapporo Medical University, Japan, and registered with UMIN-CTR (UMIN000028995).
: The need for informed consent was waived in view of the retrospective and observational nature of the study. An opt-out consent process was used, and disclosures were provided on the University’s website (ExternalRef removed).