Watanabe, Shinichiro
Kawano, Takashi
Horino, Taro
Matsumoto, Tatsuki
Nagata, Keitaro
Hatakeyama, Yutaka
Locatelli, Fabricio M.
Yokoyama, Masataka
Terada, Yoshio
Okuhara, Yoshiyasu
Article History
Received: 16 September 2019
Accepted: 2 November 2019
First Online: 21 November 2019
Ethics approval and consent to participate
: This study was approved by the ethical review board of Kochi Medical School and conducted in accordance with the ethical standards of the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.