Ogawa, Hiroyasu
Matsumoto, Kazu
Yoshioka, Hiroki
Sengoku, Masaya
Akiyama, Haruhiko
Article History
Received: 1 October 2019
Accepted: 13 December 2019
First Online: 24 December 2019
Compliance with ethical standards
:
: The authors have no conflicts of interest to disclose.
: This retrospective study was approved by the institutional review board of Gifu University Graduate School of Medicine (approval no. 27-100).