Akagi, Yuuki https://orcid.org/0000-0001-9015-2507
Chiba, Tatsuo
Uekusa, Shusuke
Kato, Hiroyoshi
Yamamura, Shigeo
Aoki, Yukiko
Enoki, Mizuho
Ogawara, Yuka
Kasahara, Takanori
Kimura, Yuki
Shimizu, Tadahiro
Takeishi, Aiko
Nakajima, Yuko
Kobayashi, Hideki
Sugi, Kaoru
Article History
Received: 5 January 2019
Accepted: 25 June 2019
First Online: 1 August 2019
Ethics approval and consent to participate
: This multicenter retrospective cohort study was performed after having obtained approval from each hospital’s institutional review board (Delegate: Toho University Ohashi Medical Center, approval no. 15–46).
: Not applicable.
: The authors declare that they have no competing interests.