Toyokawa, Takahiro http://orcid.org/0000-0003-0126-2590
Muguruma, Kazuya
Yoshii, Mami
Tamura, Tatsuro
Sakurai, Katsunobu
Kubo, Naoshi
Tanaka, Hiroaki
Lee, Shigeru
Yashiro, Masakazu
Ohira, Masaichi
Article History
Received: 17 January 2020
Accepted: 27 May 2020
First Online: 3 June 2020
Ethics approval and consent to participate
: This retrospective study of clinical data study was approved by the ethics committee of Osaka City University (no. 3017) and was conducted in accordance with the principles of the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.