Atsumi, Eriko http://orcid.org/0000-0003-4760-3506
Matsumoto, Hirofumi
Taira, Naohiro
Yohena, Tomofumi
Kawasaki, Hidenori
Kawabata, Tsutomu
Yoshimi, Naoki
Article History
Received: 25 January 2019
Revised: 31 May 2019
Accepted: 20 June 2019
First Online: 28 June 2019
Compliance with ethical standards
: This study was approved by the Ethics Committee of National Hospital Organization, Okinawa National Hospital, Okinawa, Japan.
: The authors declare that they have no conflict of interest.