Yamakawa, Takafumi
Kawaguchi, Takehiko
Kitamura, Hiroshi
Kadomura, Moritoshi
Nishimura, Motonobu
Yokoo, Takashi
Imasawa, Toshiyuki
Funding for this research was provided by:
Kashiwado memorial foundation
Article History
Received: 9 August 2018
Accepted: 15 November 2018
First Online: 22 November 2018
Conflict of interest
: The authors have declared that no conflict of interest exists.
: The protocol of this study was approved by the ethics committee of National Hospital Organization Chiba-East Hospital in July 2016 (IRB Approval No.9), and all study procedures adhered to the Declaration of Helsinki.
: Informed consent was obtained from all individual participants included in the study.