Okumura, Yukihiko
Kohashi, Kenichi
Tanaka, Yuki
Kato, Masaki
Maehara, Yoshihiko
Ogawa, Yoshihiro
Oda, Yoshinao http://orcid.org/0000-0001-9636-1182
Article History
Received: 6 August 2019
Revised: 3 December 2019
Accepted: 30 December 2019
First Online: 11 January 2020
Compliance with ethical standards
: This study was approved by the Ethics Committee at Kyushu University School of Medicine (No. 26-232) and was conducted in accordance with the ethical guidelines of the 1975 Declaration of Helsinki.
: The authors declare that there are no conflicts of interest.