,
Okumi, Masayoshi https://orcid.org/0000-0001-7443-2621
Okabe, Yasuhiro
Unagami, Kohei
Kakuta, Yoichi
Iizuka, Junpei
Takagi, Toshio
Shirakawa, Hiroki
Shimizu, Tomokazu
Omoto, Kazuya
Ishida, Hideki
Nakamura, Masafumi
Tanabe, Kazunari
Article History
Received: 16 October 2018
Accepted: 9 April 2019
First Online: 24 April 2019
Compliance with ethical standards
:
: None of the authors have any of conflict of interest to declare with regard to the content of this article.
: The study was carried out according to the principles of the Declaration of Helsinki. This study protocol was approved by the research ethics committee (Approval Number: 4460). Information for the JACK-II study has been provided in the registration with the University Hospital Medical Information Network (UMIN 000033449).
: Informed consent was obtained from all individual participants included in the study.