Hosokawa, Seiji
Mochizuki, Daiki
Takahashi, Goro
Okamura, Jun
Imai, Atsushi
Ishikawa, Ryuji
Takizawa, Yoshinori
Yamatodani, Takashi
Misawa, Kiyoshi
Mineta, Hiroyuki
Article History
First Online: 3 September 2019
Compliance with ethical standards
:
: The authors have no conflict of interest to declare.
: This was a retrospective observational study, and the study design was approved by the medical ethics committee of Hamamatsu University Hospital (Protocol No. 16-167).