Iwamoto, Noriko
Takanashi, Megumi
Shimada, Takashi
Sasaki, Jiichiro
Hamada, Akinobu
Article History
Received: 18 June 2019
Accepted: 27 July 2019
First Online: 20 August 2019
Compliance with Ethical Standards
: This study was reviewed and approved by the relevant institutional review boards and signed informed consent was obtained from all patients prior to participation. The procedures were in accordance with the Helsinki Declaration.