Tokorodani, Ryotaro
Sumiyoshi, Tatsuaki
Okabayashi, Takehiro
Hata, Yasuhiro
Noda, Yoshihiro
Morita, Sojiro
Daisaki, Hiromitsu
Okada, Yukinori
Yasuda, Eisuke
Article History
Received: 4 December 2018
Accepted: 9 January 2019
First Online: 17 January 2019
Compliance with ethical standards
:
: We have no conflict of interest to declare.
: All procedures performed in studies involving human participants were in accordance with the ethics committee of the Kochi Health Sciences Center and with the 1964 Helsinki declaration. The study was approved by the institutional review board of Kochi Health Sciences Center, with a waiver of informed consent.