Kazama, Keisuke
Numata, Masakatsu
Aoyama, Toru
Atsumi, Yosuke
Tamagawa, Hiroshi
Godai, Teni
Saeki, Hiroyuki
Saigusa, Yusuke
Shiozawa, Manabu
Yukawa, Norio
Masuda, Munetaka
Rino, Yasushi
Funding for this research was provided by:
Non-governmental organisation Yokohama Surgical Research Group (Not applicable)
Dr. Masumi Kamachi (Not applicable)
Dr. Ryuji Tominaga (Not applicable)
Dr. Nobuko Yoshiki (Not applicable)
Article History
Received: 25 November 2020
Accepted: 31 January 2021
First Online: 19 February 2021
Ethics approval and consent to participate
: The study protocols were approved by the Institutional Review Board of Yokohama City University (approval no. 170,700,003).
: Not applicable.
: The authors declare that they have no competing interests.