Suzuki, Yukihiko
Adachi, Kobu
Maeda, Natsuki
Tanabu, Reiko
Kudo, Takashi
Nakazawa, Mitsuru
Article History
Received: 30 November 2019
Accepted: 22 May 2020
First Online: 8 June 2020
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were accordance with the ethical standards of the Hirosaki University School of Medicine and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants including in the study.
: The authors declare that they have no competing interests.